The Geysers is the world's largest geothermal field, containing a complex of 18 geothermal power plants, drawing steam from more than 350 wells, located in the Mayacamas Mountains approximately 72 miles (116 km) north of San Francisco , California .
74-501: Geysers produced about 20% of California's renewable energy in 2019. For about 12,000 years, Native American tribes built steambaths and thermal pools at the Geysers and used the steam and hot water for healing purposes, as well as spiritual and ceremonial practices, and cooking. The thermal pools were used as a medicinal treatment for rheumatism and arthritis. The heated muds were used to soothe skin rashes and other aches and pains, using
148-658: A Native American people of California . Historical Pomo territory in Northern California was large, bordered by the Pacific Coast to the west, extending inland to Clear Lake , mainly between Cleone and Duncans Point . One small group, the Tceefoka ( Northeastern Pomo ), lived in the vicinity of present-day Stonyford , Colusa County , where they were separated from the majority of Pomo lands by Yuki and Wintuan speakers. The name Pomo derives from
222-472: A conflation of the Pomo words [pʰoːmoː] and [pʰoʔmaʔ] . It originally meant "those who live at red earth hole" and was once the name of a village in southern Potter Valley , near the present-day community of Pomo , Mendocino County . The word may also have referred to the local deposits of red magnesite (mined and utilized for making red beads ) or to the reddish, earthen clay soil of
296-532: A silicic intrusion . Gravitational and seismic studies suggest that the source of heat for the steam reservoir is a large magma chamber over 4 miles (6.4 km) beneath the surface, and greater than 8 miles (13 km) in diameter. The first geothermal wells drilled in Geyser Canyon were the first in the Western Hemisphere. The first power plant at the Geysers was privately developed by
370-514: A 42-mile pipeline that became known at the Santa Rosa Geysers Recharge Project (SRGRP). Since 2003, SRGRP has delivered approximately 11 million gallons per day of tertiary treated wastewater to replenish The Geysers’ geothermal reservoir. In 2004, 85% of the effluent produced by four waste-water treatment plants serving 10 Lake County communities was diverted to the Geysers steam field. Injecting treated water into
444-576: A group of Northern Pomo people bought 7 acres in Coyote Valley. In 1880, another Northern Pomo group bought 100 acres along Ackerman Creek (now known as Pinoleville)". In 1881, Yokaya Rancheria was financed by central Pomo people. Once the Pomo Indians had bought the land, it was time to make money. Baskets were in so much demand at this point, even though they were once used for trade and bartering with other tribes and people, they now became
518-454: A healer spirit. A later shamanistic movement was the "Messiah Cult", introduced by the Wintun people. It was practiced through 1900. This cult believed in prophets who had dreams, "waking visions" and revelations from "presiding spirits", and "virtually formed a priesthood". The prophets earned much respect and status among the people. The record of Pomo myths, legends, tales, and histories
592-429: A significant level. Power plants at the Geysers are of the dry steam power plant type, where the steam directly powers the generator. In general, the Geysers has 1517 MW of active installed capacity with an average production factor of 63% (955 MW). Of nearly two dozen active plants in the Geysers in 2014, Calpine Corporation operated 19 plants in 2004 but only 15 in 2013. Two other plants are owned jointly by
666-462: A unified group. Instead, they lived in small groups or bands linked by lineage and marriage. According to certain linguistic hypotheses, the Pomo descend from Hokan -speaking peoples; per this theory, a Hokan-speaking people migrated into the upland valley regions near Clear Lake ca. 7000 BCE , where their language evolved into Proto-Pomoan. Another theory places the Pomoan ancestral community in
740-406: Is a strong indicator of the size and complexity of native California trade networks. The next phase, named the "Smith Phase" after the Pomo consultants, lasted from 1300 CE to the mid-19th century. Researchers mapped 30 sites in this era, showing a gradual evolving and intensification of trends. Archery , and its associated applications, was a major technological advancement which greatly benefited
814-507: Is considered sacred to the Pomo tribe and baskets were produced for a variety of purposes. Pomo children were cradled in baskets, acorns (a major food staple to the Pomo) were harvested in great conical burden baskets, and food was stored, cooked, and served in baskets—some even being watertight. There were even "baskets" that were made as boats to be pushed by men to carry women across rivers. A commercial market for authentic baskets developed in
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#1732779764577888-531: Is estimated that the development meets 60% of the power demand for the coastal region between the Golden Gate Bridge and the Oregon state line. Unlike most geothermal resources, the Geysers is a dry steam field which mainly produces superheated steam. Steam used at The Geysers is produced from a greywacke sandstone reservoir, capped by a heterogeneous mix of low permeability rocks and underlain by
962-637: Is extensive. The body of narratives is classed within the Central California cultural pattern. Carex roots are used to make baskets, and used to tend fishing traps. They are also used to make torches. Pomo baskets made by Pomo Indian women of Northern California are recognized worldwide for their exquisite appearance, range of technique, fineness of weave, and diversity of form and use. While women mostly made baskets for cooking, storing food, and religious ceremonies, Pomo men also made baskets for fishing weirs, bird traps, and baby baskets. Making
1036-630: Is in the process of revival due to efforts by Clear Lake Pomo Cultural Preservation Foundation. The Pomo Indian cultures are several ethnolinguistic groups that make up a single language family in Northern California. Pomo cultures originally encompassed hundreds of independent communities. Like many other Native groups, the Pomo Indians of Northern California relied upon fishing, hunting, and gathering for their daily food supply. They ate salmon, wild greens, gnats, mushrooms, berries, grasshoppers, rabbits, rats, and squirrels. Acorns were
1110-605: Is measured using seismometers that can pick up on micro seismicity down to extremely minute levels. This has been demonstrated to be caused by the water injection process used to produce the geothermal electricity at the power plant. According to the Lawrence Berkeley National Laboratory Earth Sciences division, seismicity was very low prior to the use of the Geyser steam field for geothermal energy, although this may have been
1184-571: The Northern California Power Agency (NCPA) and Silicon Valley Power . Bottle Rock is wholly owned by Bottle Rock Power LLC, a joint-venture between U.S. Renewables Group and Riverstone Holdings . In addition, Ormat owns the plans for a new 30 MW geothermal power station at the vacant Calpine 15 site that were acquired through a merger with U.S. Geothermal in 2018. The plans were previously developed by Ram Power before being sold to U.S. Geothermal in 2014. For
1258-656: The Northern California Power Agency and the City of Santa Clara In July 2009, AltaRock Energy planned to drill more than 2 miles (3.2 km) down to create an "enhanced geothermal" project which was abandoned when federal agencies asked for review. The Geysers is located on the northeast limb of the Mayacamas anticline , bounded by the Collayomi Fault on the northeast and the Mercuryville Fault on
1332-806: The Russian River Valley, a missionary colonized and baptized the Makahmo Pomo people of the Cloverdale area. Many Pomo left the valley because of this. One such group fled to the Upper Dry Creek Area. The archeology surveyors of the Lake Sonoma region believe that European and Euro-American encroachment was the reason why Pomo villages became more centralized; the people retreated to the remote valley to band together for defense and mutual support. The Pomo suffered from
1406-546: The Sonoma region, where coastal redwood ( Sequoia sempervirens ) forests met with inland valleys and mixed woodlands , bolstered by Clear Lake and its abundant natural resources. Around 4000 BCE to 5000 BCE , some of these people relocated into the areas of today's Russian River Valley and northward, near present-day Ukiah . Their language diverged into western, southern, central and northern Pomoan, respectively. Another people, possibly Yukian speakers, lived first in
1480-639: The Valley Fire of September 2015, suffering "severe" damage to their cooling towers. The main power houses were not damaged. The Kincade Fire was reported burning at John Kincade Road and Burned Mountain Road in The Geysers, at 9:27 PM on October 23, 2019. The fire started at 9:24 PM during an extreme wind event, and subsequently burned 77,758 acres (31,468 ha) until the fire was fully contained on November 6. The Geysers Geothermal Power Development project
1554-567: The Warm Springs and Upper Dry Creek areas. Bowls and mortars and pestles appeared in this phase, probably used by women to pound acorns (as opposed to the milling stones used for seeds). The sites were more settled and, likewise, more "complex". Trade took place on a larger scale beyond the region. Decorative beads and ornaments were made in this phase, and approximately half of the artifacts were made of obsidian. Steatite or soapstone objects were also found, which must have been imported into
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#17327797645771628-587: The infectious diseases brought by the Euro-American migrants, including cholera and smallpox . They did not have immunity to such diseases and fatalities were high. In 1837 a deadly epidemic of smallpox, originating in settlements at Fort Ross , caused numerous deaths of native people in the Sonoma and Napa regions. Mission treatment of Pomo was similar to that of slavery, and many Pomo died due to inhospitable living conditions. The Russian River Valley
1702-522: The Clear Lake Basin. Over a thousand prehistoric charmstones and numerous arrowheads have been unearthed at Tolay Lake, southern Sonoma County, attributed to both Pomo and Coast Miwok people. A sacred site, the lake is a ceremonial gathering and healing place. Both of these Skaggs-Phase sites contained millstones and other handstones for grinding seed and nuts. The villages may have been used for hunting or temporary camps. Obsidian
1776-549: The Geysers field increases the amount of power that can be generated. The injection of wastewater to the Geysers protects local waterways and Clear Lake by diverting effluent which used to be put into surface waters, and has produced electricity without releasing greenhouse gases into the atmosphere. This is a table of all constituent geothermal power stations sorted by unit identification. Calpine owns 19 existing units, most of which were acquired from PG&E and Unocal Geothermal in 1999. NCPA Units 1-4 are jointly owned by
1850-487: The Geysers steam field has been recharged by injection of treated sewage effluent, producing approximately 77 megawatts of capacity in 2004. The effluent is piped up to 50 miles (80 km) from its source at the Lake County Sanitation waste water treatment plants and added to the Geysers steam field via geothermal injection. In 2003, the City of Santa Rosa and Calpine Corporation partnered on constructing
1924-579: The Miwok Pomo and Federated Indians of Graton Rancheria. Many of her baskets are in museums in Yosemite, Mono Lake and other museums; she even presented her baskets to Queen Elizabeth II . The materials for baskets were sedge root, willow shoots and roots, bulrush or blackroot, redbud shoots, sometimes bracken fern and a variety of colorful bird feathers, abalone and other types of shells, magnesite beads and sometimes glass beads. Redbud shoots, used for
1998-567: The Pomo Indians to work in very intense and unorthodox conditions, and sexually abused the Pomo women. The Pomo men were forced to work in harsh conditions and were not given any respect by the settlers. Exasperated with the violence and oppression of Stone and Kelsey, they rebelled. The Pomo men set up a sneak attack and killed both Stone and Kelsey. Because of the deaths of Kelsey and Stone, United States lieutenant J. W. Davidson and captain Nathaniel Lyon sent an army to retaliate against
2072-531: The Pomo also manufactured elaborate jewelry made from abalone and clamshells. Assembled during the winter, during the summer the Pomo would travel from various sites along the coast where they would fish and gather all of their materials needed to create their jewelry. The Pomo Indians would create stunning, beautiful, and intricate forms of jewelry that were worn during celebrations and rituals, and even given as gifts. Both of these traditions of creation and culture have slowly dispersed and have become less common over
2146-564: The Pomo changed with the arrival of Russians at Fort Ross (1812 to 1841) on the Pacific coastline, and Spanish missionaries and European-American colonists coming in from the south and east. The Pomo native to the coastline and Fort Ross were known as the Kashaya . They interacted and traded with the Russians. The Spanish missionaries stole or enslaved many of the southern Pomo from
2220-454: The Pomo people's way to make money and build their newly found empires. Women had preserved Pomo basket weaving traditions, which made a huge change for the Pomo people. The baskets were wanted all over California; it was a piece of art that traders wanted. Grandmothers and daughters taught other Pomo women, who had lost the tradition of basket weaving, how to make the all-powerful baskets. Within this time period in addition to basket weaving,
2294-726: The Pomo people. During the Bloody Island Massacre of 1850, on an island in Clear Lake the 1st Dragoons US Cavalry slaughtered between 60 and 100 people, mostly women and children of the Clear Lake Pomo and neighboring tribes. Shortly after the massacre, during 1851 and 1852, four reservations for the Pomo were established by the United States government in California. Pomo were also part of
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2368-709: The Russian River Valley and Lake Sonoma areas prior to being displaced by the Pomo, who subsequently took over the region. Modern archaeological analyses and discoveries have suggested that the local native economy, which was based on women processing acorns by mortar and pestle , and first observed by the Spanish upon their arrival in Central California , may have developed during the Mostin Culture period (ca. 8500 BP –6300 BP) in
2442-478: The Santa Rosa Plain to Mission San Rafael, at present-day San Rafael, between 1821 and 1828. Only a few Pomo speakers went to Mission Sonoma , the other Franciscan mission, located on the north side of San Francisco Bay. The Pomo who remained in the present-day Santa Rosa area of Sonoma County were often called Cainameros in regional history books from the time of Spanish and Mexican occupation. In
2516-522: The Spanish, and Euro-Americans have impacted these languages, and many are no longer spoken due to language shift to English, accelerated by policies such as the 1887 ban on the teaching in Native American languages put into place by John DeWitt Clinton Atkins . There are about twelve Pomo language varieties that are still in use by Pomo people. One, xay tsnu , which is spoken by Elem Pomo,
2590-418: The United States. Of these, 8,578 reside in California. Pomo, also known as Pomoan or less commonly Kulanapan, is a language family that includes seven distinct and mutually unintelligible languages, including Northern Pomo , Northeastern Pomo , Eastern Pomo , Southeastern Pomo , Central Pomo , Southern Pomo , and Kashaya . John Wesley Powell classified the language family as Kulanapan in 1891, using
2664-584: The appreciation for American Indian art has been on the rise, and the art has become in demand – specifically Pomo Indian basketry. Dr. Joallyn Archambault, director of the American Indian Program at the Smithsonian Institution's National Museum of Natural History says: "Since the 1880s, when Pomo baskets first became sought after, the Pomo have changed their lifestyles enormously." Pomo today live normal modern lifestyles, but
2738-443: The area "The Geysers," although the geothermal features he discovered were not technically geysers , but fumaroles . Between 1848 and 1854, Archibald C. Godwin developed The Geysers into a spa named The Geysers Resort Hotel , which attracted tourists including Ulysses S. Grant , Theodore Roosevelt and Mark Twain . The resort declined in popularity in the mid 1880s, and rebranded itself to appeal to lower-income people. In 1938,
2812-679: The area, rich in hematite (also mined for use). In the Northern Pomo dialect, -pomo or -poma was used as a suffix after the names of places, to mean a subgroup of people of the place. By 1877 , the meaning of the word Pomo had been broadened, at least in the English language , to refer to not only the Pomo language but the entire group of people speaking it, as well—the people known as Pomo, today. The people called Pomo were originally linked by location, language, and cultural expression. They were not socially or politically linked as
2886-531: The artists and communities. Dealers and collectors may have exploited the lucrative basket market, but it still paid well enough to provide income to Pomo women where hunting and gathering were no longer feasible and money was needed for survival. Today you will see rare baskets being sold for the prices mentioned above. Due to the time and preparation necessary to weave these pieces of art; basket weavers today have more requests than they can fulfill, and many customers wait months before receiving orders. The rarity of
2960-426: The basket itself. Pomo women sometimes spent months or years making such gift baskets. The materials used to make the baskets—including, but not limited to, swamp canes, saguaro cactuses, rye grass, black ash, willow shoots, sedge roots, the bark of redbud, the root of bulrush, and the root of the gray pine—were harvested annually. After being picked, the materials are dried, cleaned, split, soaked, and dyed. Sometimes
3034-666: The basket weavers are still heralded and praised within the community for their artistic ability and skill. One of those basket weavers is Julia F. Parker . She is a master weaver, having woven under Lucy Telles . Her childhood was rough, constantly moving around until boarding school after her parents' death at 6. Lucy had taught Julia because of her perceived interest in preserving Indian culture and specifically basketry. Julia Parker became cultural demonstrator after Lucy Telles death in 1956. She continued in her studies and later studied Pomo basketry with Pomo master weaver Elsie Allen (1899–1990) at Ukiah and several others. Julia belongs to
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3108-577: The baskets and the skill are required in making them in what makes them valuable. The demand is greater than the supply, and collectors facilitate a high demand for these artistically made baskets. The United States acknowledges many groups of native people of the United States as " federally recognized tribes ", classifying them as "domestic dependent nations" under the jurisdiction of the federal government, but with some autonomy from their respective states, including California. Many other self-identified Native American groups are not federally recognized. Since
3182-457: The baskets required great skill and knowledge in collecting and preparing the needed materials. Materials for weaving baskets changed with the seasons and years. The Pomo usually covered a basket completely with the vivid red feathers of the pileated woodpecker until the surface resembled the smoothness of the bird itself. With the feathers, 30-50 to every inch, beads were fastened to the basket's border and hung pendants of polished abalone shell from
3256-624: The baskets that signify different cultural meanings. For example, the Dau is a pattern woven into a basket by creating a small change in the stitching to create a small opening between two stitches. The Dau is the design that is also called the Spirit Door. This Spirit Door allows good spirits to come and circulate inside of the basket while the good or bad spirits are released. Although baskets were made for decorating homes and as gifts, they were centrally used in Pomo daily life as well. Basket weaving
3330-474: The darker reddish colors in basket designs are gathered in October. Good redbud is hard to obtain around Ukiah, so it is usually found at Clear Lake. All these materials are gathered with a thankful heart and the gatherers talk continuously to the plants. They were, after all, living things that were giving themselves for something useful and beautiful. In order to preserve the soil and creek banks, sedge gathering
3404-525: The forced relocation known as the "Marches to Round Valley" in 1856, conducted by the U.S. federal government. By using bullwhips and guns, white settlers demanded relocation to reservations of the Pomo Indian. The justification given was that to protect their culture, the Pomo Indians had to be removed from their ancestral land. Richerson & Richerson stated that before the European conquests there
3478-478: The fumaroles as a natural energy source. When European Americans first entered the area, six Indian tribes inhabited the area around the Geysers, three bands of Pomo people , two bands of Wappo people , and the Lake Miwok people . The Wappo also collected sulfur which they called te'ke and a Wappo village, named tekena'ntsonoma ( teke sulphur + nan well containing water + tso ground + no'ma village)
3552-482: The future would have in store. It was a time to build, a time to connect, a time of hope, and a time of change. The Pomo Indians did not have enough money to buy land. The Pomo men decided to work for ranchers and the woman went back to making baskets. The "white" people loved the baskets, especially the designer, feathered ones, which led to a basketry movement. Finally, in 1878, the Pomo Indians bought their first piece of land in California. Paula Giese noted, "In 1878,
3626-404: The history of the tribe but more evident in today's culture. Pomo basket weaving is still valued and honored today, not only by the Pomo Indians themselves, but also by amateur enthusiasts, buyers for curio dealers, and scientific collectors. The Federated Indians of Graton Rancheria are a federally recognized American Indian tribe of Coast Miwok and Southern Pomo Indians. During the past 30 years,
3700-496: The increases in the number of earthquakes and the fears of local residents, it is unlikely that a large earthquake will occur at the Geysers since there is no fault or fracture nearby. In 2005, abatement equipment was installed at two of the Geysers plants to reduce the amount of mercury released by the waste vapor even though the amount released was below the legal limit for such releases. The Geysers Air Monitoring Programs (GAMP) has shown limited releases of arsenic, but again below
3774-606: The late 20th century, some states have begun to give formal recognition to tribes in varying ways. The Pomo groups presently recognized by the United States are based in Sonoma , Lake , and Mendocino counties. They include the following tribes: Many Pomo were impacted by the California Rancheria Termination Acts and lost lands due to lack of understanding the tax system, along with predation by merchants who took advantage of land-rich but cash-poor tribal members. Along with losing their lands,
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#17327797645773848-463: The latter part of the 19th century, lasting from about 1876 to the 1930s. Two Pomo people who capitalized on this market were William Ralganal Benson and his wife, Mary Knight Benson and the Bensons may have been the first California Indians who supported themselves solely by crafting and selling their baskets to collectors and museums. Even though most of their original land was taken over, this
3922-460: The main building was destroyed in a landslide although the bar/restaurant, small cabins and the swimming pool stayed open, despite another fire in March 1957, until about 1979. In 1960, Pacific Gas and Electric began operation of their 11-megawatt geothermal electric plant at the Geysers. Unocal Corporation dismantled the remains of the resort in 1980. Five of the Geysers facilities were damaged in
3996-438: The materials are also boiled over a fire and set in the sun to dry. Women traditionally wove Pomo baskets with great care and technique. The three different techniques of Pomo basket weaving are plaiting, coiling, and twining. One drying method was wrapping maiden fern in blue clay and placing underground for several days. This prevented fading in the sun or when cooking mush. There are many different designs that are woven into
4070-621: The most important staple in their diet. The division of labor in Pomo Indian communities typically involved gathering and preparation of plant-based foods by women, while men were hunters and fishers. The Pomo people participated in shamanism ; one form this took was the Kuksu religion , which was held by people in Central and Northern California. It included elaborate acting and dancing ceremonies in traditional costume, an annual mourning ceremony, puberty rites of passage , shamanic intervention with
4144-576: The name first introduced by George Gibbs in 1853. This name for the language family is derived from the name of one Eastern Pomo village on the south shore of Clear Lake. Stephen Powers (1877) was the first to refer to this entire language family with the name "Pomo", and the geographic names that have been used to refer to the seven individual Pomoan languages (e.g. Southeastern Pomo) were introduced by Samuel Barrett (1908). The Pomoan languages became severely endangered after European-American colonization of their native territory. Contacts with Russians,
4218-441: The owner of The Geysers Resort and opened in 1921, producing 250 kilowatts of power to light the resort. In 1960, Pacific Gas and Electric began operation of their 11-megawatt plant at the Geysers. The original turbine lasted for more than 30 years and produced 11 MW net power. By 1999 the steam to power extraction had begun to deplete the Geysers steam field and production began to drop. However, since October 16, 1997,
4292-450: The past several decades, small earthquakes (less than 2.0) are regularly recorded in the area. It has been estimated that 99% of all seismic activity at and surrounding The Geysers is around 3.0 or smaller. In fact, "the frequency of seismic events greater than 3.0 have been trending downward since 1990". Due to the remote location it is very infrequent for humans to feel the effect of this tectonic shake. Typically seismic activity in this area
4366-498: The people in the village to government lands and burned the village houses. From 1891 to 1935, starting with National Thorn , the artist Grace Hudson painted over 600 portraits, mainly of Pomo individuals living near her in the Ukiah area. Her style was sympathetic and poignant, as she portrayed domestic native scenes that would have been fast disappearing in that time. In 1770 there were about 8,000 Pomo people; in 1851 population
4440-434: The population. The production of shell beads (and drills to create holes in beads), remained important, with drills being found in high numbers. Numerous clamshell beads, a major currency among the peoples of Central California, were also found, also suggesting a vast trade network. There were an estimated 8,000 to 21,000 Pomo among 70 tribes speaking seven Pomo languages at the time of European contact. The way of life of
4514-407: The rate of magnitude 3 earthquakes has remained relatively unchanged since the 1980s, although the absolute number of earthquakes has increased significantly. A magnitude 4.5 earthquake struck near the Geysers on January 12, 2014 and a magnitude 5.0 on December 14, 2016. A magnitude 3.8 earthquake, with a hypocenter 600 meters directly under the field, struck in the early hours of March 3, 2022. Despite
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#17327797645774588-467: The region through trade, as the rocks do not exist locally. Relatively soft and easy to carve, soapstone was used to make beads, pendants , as well as mortars. The largest and only substantial steatite mine in California existed on Catalina Island , one of the Channel Islands off the coast of what is now Los Angeles County . The existence of steatite in Pomo and Northern California native sites
4662-563: The result of low seismic coverage of the area. Before 1969, there were no earthquakes above magnitude 2 recorded by the United States Geological Survey (USGS) in an approximately 70 square miles (180 km) area around the Geysers. Studies have shown that injecting water into the Geysers field produces earthquakes from magnitude 0.5 to 3.0, although a 4.6 occurred in 1973 and magnitude four events increased thereafter. Even with increasing injection rates over time,
4736-501: The southwest. The central and eastern Franciscan belts form the core of this anticline. Within this belt is a rock unit forming the reservoir rock, consisting of a sheared and fractured graywacke. A large Bouguer Gravity anomaly combined with slower seismic velocities, located below the Clear Lake Volcanic Field , suggests a magma body is heating the geothermal area. Pomo people The Pomo are
4810-419: The spirit world, and an all-male society that met in subterranean dance rooms. The Pomo believed in a supernatural being, the Kuksu or Guksu (depending on their dialect), who lived in the south and who came during ceremonies to heal their illnesses, along with spirits from six cardinal directions, and Coyote as their ancestor and creator god . Medicine men dressed up as Kuksu , their interpretation of
4884-628: The tribes lost their status as federally recognized tribes and the ability to access federal clinics that served other federally recognized tribes. In a decision dated July 19, 1983 the United States District Court for the Northern District of California restored the status of 17 California rancherias in Hardwick v. United States . Pacific Gas and Electric Too Many Requests If you report this error to
4958-512: Was an estimated 3,000 Pomo Indians that lived at Clear Lake; after all of the death, disease, and killings, there were only about 400 Pomo Indians left. One ghost town in the Lake Sonoma Valley excavations was identified as Amacha, built for 100 people but hardly used. Elder natives of the region remember their grandfathers hid at Amacha in the mid-1850s, trying to evade the colonizing settlers. They tell that one day soldiers took all
5032-624: Was designated as a California Historic Civil Engineering Landmark by the San Francisco Section of the American Society of Civil Engineers in 1976. The Geysers is the world's largest geothermal field spanning an area of around 30 square miles (78 km) in Sonoma , Lake and Mendocino counties in California, centered in the area of Geyser Canyon and Cobb Mountain . Power from The Geysers provides electricity to Sonoma, Lake, Mendocino, Marin , and Napa counties. It
5106-439: Was done with care. The commonly held decision would be leaving behind about half of what was found. Dyeing of the bulrush root takes about three to six months in a concoction of black walnuts, rusty metal and ashes in water. Today, new Pomo baskets might sell for as much as $ 1,000, and the more historical ones might sell for more than $ 10,000. Dealing of these baskets has not always been so lucrative and many have tried to exploit
5180-439: Was estimated between 3,500 and 5,000; and in 1880 estimated at 1,450. Anthropologist Samuel Barrett estimated a population of 747 in 1908, but that is probably low; fellow anthropologist Alfred L. Kroeber reported 1,200 Pomo counted in the 1910 Census . According to the 1930 Census there were 1,143 Pomo, and by the 1990 Census there were 4,766. According to the 2010 United States Census , there are 10,308 Pomo people in
5254-606: Was located about 12 miles (19 km) southeast of Cloverdale and on the present-day Sulphur Creek. Today, Calpine Corporation, the largest generator of electricity from natural gas and geothermal resources in the US, generates power at the site. The Geysers were first seen by European Americans and named in 1847 during John Fremont 's survey of the Sierra Mountains and the Great Basin by William Bell Elliot who called
5328-513: Was settled in 1850 by the 49ers , and the Lake Sonoma Valley was homesteaded out. The US government forced many Pomo on to reservations so that the European-Americans could homestead the former Pomo lands. Some Pomo took jobs as ranch laborers; others lived in refugee villages. During this time period, two settlers named Andrew Kelsey and Charles Stone enslaved many Pomo people in order to work as cowboys on their ranch. They forced
5402-464: Was the first turning point for the Pomo people. They had finally escaped the harsh road they were once a part of, and even though they had to settle on poor, isolated land, they finally got to make a stride towards tradition and basket weaving. From 1852 to 1878, many Pomo Indians tried to rekindle their cultures and find peace to what had happened to them. Many people let this time be a learning and spiritual time, where they could have visions and see what
5476-436: Was used, albeit rarely, from Mount Konocti , in present-day Lake County . There were no petroglyphs . The population lived only along major creeks. The "Dry Creek" Phase lasted from 500 BCE to 1300 CE . During this phase, the indigenous people settled the lands more extensively, and permanently. Archaeologists believe a Pomo group took over the lands from earlier peoples during this phase. They founded 14 additional sites in
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