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47-645: According to the Geographic Names Information System , it has also been known historically as: Northeast Cape Fear River rises about 1 mile southeast of Mount Olive, North Carolina in Wayne County and about 10 mi (16 km) south of Goldsboro and then flows south to the Cape Fear River at Wilmington, North Carolina . On its course it flows past Albertson, Hallsville, and Chinquapin. In Pender County near

94-495: A "Concise" subset of the NGNDB that listed "major features", and a "Historical" subset that included the features that no longer exist. There is no differentiation amongst different types of populated places. In the words of the aforementioned 1986 USACE report, "[a] subdivision having one inhabitant is as significant as a major metropolitan center such as New York City ". In comparing GNIS populated place records with data from

141-477: A "spider": it is used to mount and centre a theodolite used to take angular measurements to neighbouring trig points. A benchmark is usually set on the side, marked with the letters "O S B M" (Ordnance Survey Bench Mark) and the reference number of the trig point on a plaque called a "flush plate". Within and below the visible trig point, there are concealed reference marks whose National Grid References are precisely known. The standard trig point design

188-588: A 1962 replacement of the "Nigger" racial pejorative for African Americans with "Negro" and a 1974 replacement of the "Jap" racial pejorative for Japanese Americans with "Japanese". In 2015, a cross-reference of the GNIS database against the Racial Slur Database had found 1441 racial slur placenames, every state of the United States having them, with California having 159 and the state with

235-694: A 2008 book on ethnic slurs in U.S. placenames Mark Monmonier of Syracuse University discovered "Niger Hill" in Potter County, Pennsylvania , an erroneous transcription of "Nigger Hill" from a 1938 map, and persuaded the USBGN to change it to "Negro Hill". In November 2021, the United States Secretary of the Interior issued an order instructing that "Squaw" be removed from usage by the U.S. federal government. Prior efforts had included

282-604: A black band. In Japan, there are five classes of triangulation stations ( 三角点 , sankakuten , lit. 'three corner points') : As of August 2023 there are 5,765 trig stations in New Zealand . They are placed on top of hills and are usually black and white. South Africa has a network of approximately 28,000 trig beacons, established by the Chief Directorate: National Geo-spatial Information (historically known as

329-451: A feature, are also recorded. Each feature receives a permanent, unique feature record identifier, sometimes called the GNIS identifier. The database never removes an entry, "except in cases of obvious duplication." The GNIS was originally designed for four major purposes: to eliminate duplication of effort at various other levels of government that were already compiling geographic data, to provide standardized datasets of geographic data for

376-432: A few metres above sea level and one is even at −1 m (near Little Ouse, Cambridgeshire , TL61718 89787). When all the trig points were in place, it was possible in clear weather to see at least two other trig points from any one trig point, but subsequent vegetation growth means that this is not necessarily still the case. Careful measurements of the angles between the lines-of-sight of the other trig points then allowed

423-422: A later phase). Generic designations were given after specific names, so (for examples) Mount Saint Helens was recorded as "Saint Helens, Mount", although cities named Mount Olive , not actually being mountains, would not take "Mount" to be a generic part and would retain their order "Mount Olive". The primary geographic coordinates of features which occupy an area, rather than being a single point feature, were

470-561: A location in Pender County , North Carolina is a stub . You can help Misplaced Pages by expanding it . This article about a location in Wayne County , North Carolina is a stub . You can help Misplaced Pages by expanding it . This article related to a river in North Carolina is a stub . You can help Misplaced Pages by expanding it . Geographic Names Information System The Geographic Names Information System ( GNIS )

517-639: A metallic label with the warning: "The destruction of this sign is punishable by law." In the United Kingdom, trig points are typically concrete pillars and were erected by the Ordnance Survey . The process of placing trig points on top of prominent hills and mountains began in 1935 to assist in the accurate retriangulation of Great Britain . The Ordnance Survey 's first trig point was erected on 18 April 1936 near Cold Ashby , Northamptonshire. In low-lying or flat areas some trig points are only

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564-412: A second Alaska file) data from the 1:100000 and 1:250000 scale USGS maps. Map names were recorded exactly as on the maps themselves, with the exceptions for diacritics as with the NGNDB. Unlike the NGNDB, locations were the geographic coördinates of the south-east corner of the given map, except for American Samoa and Guam maps where they were of the north-east cornder. The TMNDB was later renamed

611-476: A wetness index of 593.72 and is about 19% forested. The river and its valley are home to a variety of interesting and uncommon flora and fauna, including the palmetto , cypress , alligator , pileated woodpecker , venus flytrap , and bowfin . This article about a location in New Hanover County , North Carolina is a stub . You can help Misplaced Pages by expanding it . This article about

658-735: Is a database of name and location information about more than two million physical and cultural features throughout the United States and its territories; the associated states of the Marshall Islands , Federated States of Micronesia , and Palau ; and Antarctica . It is a type of gazetteer . It was developed by the United States Geological Survey (USGS) in cooperation with the United States Board on Geographic Names (BGN) to promote

705-660: Is credited to Brigadier Martin Hotine (1898–1968), head of the Trigonometrical and Levelling Division of the Ordnance Survey. Many of them are now disappearing from the countryside as their function has largely been superseded by aerial photography and digital mapping using lasers and GPS . To quote from a page at the OS site: "Like an iceberg, there is more of trig pillar below the surface than above it." From

752-443: Is or was human activity" not covered by a more specific feature class), "populated place" (a "place or area with clustered or scattered buildings"), "spring" (a spring ), "lava" (a lava flow , kepula , or other such feature), and "well" (a well ). Mountain features would fall into "ridge", "range", or "summit" classes. A feature class "tank" was sometimes used for lakes, which was problematic in several ways. This feature class

799-461: The Atlantic coast, it passes along the west side of Angola Swamp and Holly Shelter Swamp . It joins the Cape Fear River on the north end of Wilmington , forming an estuary that emerges at Cape Fear . The lower 50 mi (80 km) of the river is tidal. Northeast Cape Fear River drains 1,714.70 square miles (4,441.1 km) of area, receives about 53.8 in/year of precipitation, and has

846-561: The Geographic Cell Names database (GCNDB hereafter) in the 1990s. The Generic database was in essence a machine-readable glossary of terms and abbreviations taken from the map sources, with their definitions, grouped into collections of related terms. The National Atlas database was an abridged version of the NGNDB that contained only those entries that were in the index to the USGS National Atlas of

893-714: The Thematic Mapper of the Landsat program , researchers from the University of Connecticut in 2001 discovered that "a significant number" of populated places in Connecticut had no identifiable human settlement in the land use data and were at road intersections. They found that such populated places with no actual settlement often had "Corner" in their names, and hypothesized that either these were historical records or were "cartographic locators". In surveying in

940-548: The 1990s (still including tape and paper) to floppy disc , over FTP , and on CD-ROM . The CD-ROM edition only included the NGNDB, the AGNDB, the GCNDB, and a bibliographic reference database (RDB); but came with database search software that ran on PC DOS (or compatible) version 3.0 or later. The FTP site included extra topical databases: a subset of the NGNDB that only included the records with feature classes for populated places,

987-572: The GNIS web site and can review the justifications and supporters of the proposals. The usual sources of name change requests are an individual state's board on geographic names, or a county board of governors. This does not always succeed, the State Library of Montana having submitted three large sets of name changes that have not been incorporated into the GNIS database. Conversely, a group of middle school students in Alaska succeeded, with

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1034-628: The Trigonometrical Survey). These beacons are typically white-painted concrete pillars supporting black metal plates in a cross shape, installed on mountains, hills or tall buildings. In Spain there are 11,000 triangulation stations, concrete structures which typically consist of a cylinder 120 cm high and 30 cm in diameter over a concrete cubic base. They were erected by the Instituto Geográfico Nacional , usually painted in white, and can be marked with

1081-707: The United Kingdom, trig pillars in Ireland, trig stations or trig points in Australia and New Zealand, and trig beacons in South Africa. In the 1820s, much of New South Wales was unsurveyed territory to the European arrivals. To aid the mapping of the country, the science of trigonometic surveying was introduced by Major Thomas Mitchell who had been brought out to the colony as Assistant Surveyor General of New South Wales. The freestanding peak of Mount Jellore

1128-466: The United States , with the coördinates published in the latter substituted for the coördinates from the former. The Board on Geographic Names database was a record of investigative work of the USGS Board on Geographic Names ' Domestic Names Committee, and decisions that it had made from 1890 onwards, as well as names that were enshrined by Acts of Congress . Elevation and location data followed

1175-905: The United States, a "Corner" is a corner of the surveyed polygon enclosing an area of land, whose location is, or was (since corners can become "lost" or "obliterated" ), marked in various ways including with trees known as "bearing trees" ("witness trees" in older terminology ) or "corner monuments". From analysing Native American names in the database in order to compile a dictionary, professor William Bright of UCLA observed in 2004 that some GNIS entries are "erroneous; or refer to long-vanished railroad sidings where no one ever lived". Such false classifications have propagated to other geographical information sources, such as incorrectly classified train stations appearing as towns or neighborhoods on Google Maps. The GNIS accepts proposals for new or changed names for U.S. geographical features through The National Map Corps . The general public can make proposals at

1222-574: The broadcasting masts for radio and television stations, civil divisions, regional and historic names, individual buildings, roads, and triangulation station names. The databases were initially available on paper (2 to 3 spiral-bound volumes per state), on microfiche , and on magnetic tape encoded (unless otherwise requested) in EBCDIC with 248-byte fixed-length records in 4960-byte blocks . The feature classes for association with each name included (for examples) "locale" (a "place at which there

1269-449: The construction of a system of triangles which could then be referenced back to a single baseline to construct a highly accurate measurement system that covered the entire country. In most of the UK, trig points are truncated square concrete (occasionally stone) pyramids or obelisks tapering towards the top. On the top a brass plate with three arms and a central depression is fixed, known as

1316-426: The coordinates were taken to be those of a primary civic feature such as the city hall or town hall , main public library , main highway intersection, main post office, or central business district regardless of changes over time; these coordinates are called the "primary point". Secondary coordinates were only an aid to locating which topographic map(s) the feature extended across, and were "simply anywhere on

1363-399: The early 1970s in Australia has left a legacy of trig stations, many consisting of a ground mark with a black quadripod (pyramid frame) supporting a visible disc above the ground mark. Many trigonometrical stations were placed on hilltops around Hong Kong. They strongly resemble those used in other former British colonial territories such as Australia, consisting of a white column topped with

1410-424: The entire United States and that were abridged versions of the data in the other 57: one for the 50,000 most well known populated places and features, and one for most of the populated places. The files were compiled from all of the names to be found on USGS topographic maps, plus data from various state map sources. In phase 1, elevations were recorded in feet only, with no conversion to metric, and only if there

1457-423: The feature and on the topographic map with which it is associated". River sources were determined by the shortest drain, subject to the proximities of other features that were clearly related to the river by their names. The USGS Topographic Map Names database (TMNDB hereafter) was also 57 computer files containing the names of maps: 56 for 1:24000 scale USGS maps as with the NGNDB, the 57th being (rather than

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1504-439: The government and others, to index all of the names found on official U.S. government federal and state maps, and to ensure uniform geographic names for the federal government. Phase 1 lasted from 1978 to 1981, with a precursor pilot project run over the states of Kansas and Colorado in 1976, and produced 5 databases. It excluded several classes of feature because they were better documented in non-USGS maps, including airports,

1551-585: The help of their teachers, a professor of linguistics, and a man who had been conducting a years-long project to collect Native American placenames in the area, in changing the names of several places that they had spotted in class one day and challenged for being racist, including renaming "Negrohead Creek" to an Athabascan name Lochenyatth Creek and "Negrohead Mountain" to Tl'oo Khanishyah Mountain, both of which translate to "grassy tussocks" in Lower Tanana and Gwichʼin respectively. Likewise, in researching

1598-874: The known stations set up by government, some temporary trigonometrical stations are set up near construction sites for monitoring the precision and progress of construction. Some trigonometrical stations use the Global Positioning System for convenience. Its accuracy factors in ionospheric and tropospheric propagation delay errors. Although stations are no longer required for many modern surveying purposes, they remain useful to hikers and even aviators as navigational aids. Particular small triangles on maps mark summits, for example. The nomenclature for triangulation stations varies regionally: they are generally known as trigonometrical stations or triangulation stations in North America, trig points in

1645-425: The location of the feature's mouth, or of the approximate center of the area of the feature. Such approximate centers were "eye-balled" estimates by the people performing the digitization, subject to the constraint that centers of areal features were not placed within other features that are inside them. alluvial fans and river deltas counted as mouths for this purpose. For cities and other large populated places,

1692-717: The most such names being Arizona. One of the two standard reference works for placenames in Arizona is Byrd Howell Granger's 1983 book Arizona's Names: X Marks the Place , which contains many additional names with racial slurs not in the GNIS database. Despite "Nigger" having been removed from federal government use by Stewart Udall , its replacement "Negro" still remained in GNIS names in 2015, as did " Pickaninny ", " Uncle Tom ", and " Jim Crow " and 33 places named "Niggerhead". There were 828 names containing "squaw", including 11 variations on "Squaw Tit" and "Squaw Teat", contrasting with

1739-604: The point where a dam is thought to be". The National Geographic Names database (NGNDB hereafter) was originally 57 computer files, one for each state and territory of the United States (except Alaska which got two) plus one for the District of Columbia. The second Alaska file was an earlier database, the Dictionary of Alaska Place Names that had been compiled by the USGS in 1967. A further two files were later added, covering

1786-412: The same rules as for the NGNDB. So too did names with diacritic characters. Phase 2 was broader in scope than phase 1, extending the scope to a much larger set of data sources. It ran from the end of phase 1 and had managed to completely process data from 42 states by 2003, with 4 still underway and the remaining 4 (Alaska, Kentucky, Michigan, and New York) awaiting the initial systematic compilation of

1833-746: The same source: "Today the receivers that make up the OS Net network are coordinated to an accuracy of just 3 mm over the entire length of Great Britain." The United States National Geodetic Survey (NGS) and predecessor agencies manages the National Spatial Reference System (NSRS), which includes permanent survey marks for horizontal position (latitude and longitude), height, or gravity. Some marks have information for both horizontal position and height. Some marks were established by NGS. Others were established by other organizations, such as state highway departments, but are included in

1880-455: The sources to use. Many more feature classes were included, including abandoned Native American settlements, ghost towns , railway stations on railway lines that no longer existed, housing developments , shopping centers , and highway rest areas . The actual compilation was outsourced by the U.S. government, state by state, to private entities such as university researchers. The Antarctica Geographic Names database (AGNDB hereafter)

1927-458: The standardization of feature names. Data were collected in two phases. Although a third phase was considered, which would have handled name changes where local usages differed from maps, it was never begun. The database is part of a system that includes topographic map names and bibliographic references. The names of books and historic maps that confirm the feature or place name are cited. Variant names, alternatives to official federal names for

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1974-424: The top of a pillar may provide a mounting point for a theodolite or reflector, often using some form of kinematic coupling to ensure reproducible positioning. Trigonometrical stations form networks of triangulation . Positions of all land boundaries, roads, railways, bridges and other infrastructure can be accurately located by the network, a task essential to the construction of modern infrastructure. Apart from

2021-555: The use of "Nipple" in names with non- Native American allusions such as "Susies Nipple". Triangulation station A triangulation station , also known as a trigonometrical point , and sometimes informally as a trig , is a fixed surveying station, used in geodetic surveying and other surveying projects in its vicinity. The station is usually set up by a government with known coordinates and elevation published. Numerous stations are installed on summits for purposes of visibility and prominance. A graven metal plate on

2068-757: Was added in the 1990s and comprised records for BGN-approved names in Antarctica and various off-lying islands such as the South Orkney Islands , the South Shetland Islands , the Balleny Islands , Heard Island , South Georgia , and the South Sandwich Islands . It only contained records for natural features, not for scientific outposts. The media on which one could obtain the databases were extended in

2115-449: Was an actual elevation recorded for the map feature. They were of either the lowest or highest point of the feature, as appropriate. Interpolated elevations, calculated by interpolation between contour lines , were added in phase 2. Names were the official name, except where the name contained diacritic characters that the computer file encodings of the time could not handle (which were in phase 1 marked with an asterisk for update in

2162-411: Was selected as the first trigonometric summit for his triangulation survey of the countryside. In 1828 Mitchell headed south from Sydney with a small party and camped at the base of the basalt, making daily excursions to the top. While his convict crew cleared the summit of trees, Mitchell plotted and measured distant peaks and sketched the skyline. A national geodetic survey and adjustment carried out in

2209-568: Was undocumented, and it was (in the words of a 1986 report from the Engineer Topographic Laboratories of the United States Army Corps of Engineers ) "an unreasonable determination", with the likes of Cayuga Lake being labelled a "tank". The USACE report assumed that "tank" meant "reservoir", and observed that often the coordinates of "tanks" were outside of their boundaries and were "possibly at

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