The square kilometre ( square kilometer in American spelling; symbol: km ) is a multiple of the square metre , the SI unit of area or surface area .
19-638: The Shire of Murchison is a 49,500 km² local government area (LGA), within the Murchison sub-region , in the Mid West region of Western Australia . Encompassing most of the Murchison and East Murchison goldfields, the shire is named after the Murchison River . It is Australia's least-populated LGA and the only one without an official town. Five sparsely-populated rural localities , with
38-471: A collective population of 101 (as of 2021), comprise the entire shire. The shire offices, located 300 kilometres (186 mi) northeast of Geraldton , are the focal point of Murchison Settlement, a small part of the Murchison locality . The Shire of Murchison incorporates 29 pastoral stations and a population of 114. Most properties are operated by family units with their main income from cattle, meat sheep and wool, with some goats. A small tourism industry
57-424: A museum. The area surrounding the shire complex was gazetted as Murchison Settlement in 1988. It has come to include a few other houses and an Australia Post Community Postal Agent (CPA). Murchison Shire Airport ( ICAO airport code : YMSS ), which adjoins the townsite, has a 1,448 metre all-weather runway . The shire is represented by 7 councillors, and has been divided into two wards. The shire president
76-416: A subsequent set of Municipal Inventories, which then resulted in items then being included in the state register. As a result, most register records include dates and details from the three different processes. In some cases authorities other than councils had governance over localities such as Redevelopment authorities, and they also provided Heritage Inventories in that stage of the process. Registration
95-804: Is a factor behind the Shire being selected as one of the two sites for the Square Kilometre Array – a proposed array of radio telescope receivers with a total collecting area of one square kilometre. It is already home to two other major radio telescope facilities: the Murchison Widefield Array and the Australian Square Kilometre Array Pathfinder . The Square Kilometre Array, or SKA, is a global radio telescope project involving institutions in more than 20 countries. The SKA will be
114-589: Is based on the coat of arms of his family, Murchison of Tarradale ( lion rampant between two pineapples with a scallop shell at the base). The Murchison Road District was gazetted on 3 August 1875. It absorbed the Upper Murchison Road District on 18 March 1912. On 1 July 1961 it became the Shire of Murchison following changes to the Local Government Act, which reformed all remaining road districts into shires. In 2004
133-583: Is developing in the region with some stations involved in station stays and with the Murchison Oasis Caravan Park and motel units located at the settlement providing facilities for tourists. The Shire of Murchison takes its name from the Murchison River , which was named in 1839 by explorer George Grey after Sir Roderick Impey Murchison , President of the Royal Geographical Society of London . The Shire’s logo
152-527: Is elected from among the councillors. Prior to 2005, there were 4 wards – Boolardy, Byro, Mileura and Yallalong. The localities of the Shire of Murchison with population and size figures based on the most recent Australian census : The Shire is the site of the Murchison Radio-astronomy Observatory, which lies 70 km east-northeast of Murchison Settlement. A sparse population – and its consequent radio "quietness" –
171-400: Is equal to 3 × (1,000 m) = 3,000,000 m , not 3,000 m . Topographical map grids are worked out in metres, with the grid lines being 1,000 metres apart. In each case, the grid lines enclose one square kilometre. The area enclosed by the walls of many European medieval cities were about one square kilometre. These walls are often either still standing or the route they followed
190-549: Is still clearly visible, such as in Brussels , where the wall has been replaced by a ring road, or in Frankfurt , where the wall has been replaced by gardens. The approximate area of the old walled cities can often be worked out by fitting the course of the wall to a rectangle or an oval ( ellipse ). Examples include: Parks come in all sizes; a few are almost exactly one square kilometre in area. Here are some examples: Using
209-739: Is the heritage register of historic sites in Western Australia deemed significant at the state level by the Heritage Council of Western Australia . In the 1970s, following its establishment of the National Trust of Western Australia , the National Trust created a set of classified properties, and following legislation requiring inventories, Local Government authorities in Western Australia produced
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#1732783414473228-797: The Australian Heritage Council the National heritage list . Additionally, Municipal Inventories are also part of the listings. As of 2020 , the State Register of Heritage Places listed 2367 places, also this number includes sub-listings of individual buildings within heritage listed complexes. Approximately 1,300 places throughout Western Australia are on the State Register, while the database itself contains 25,000 State and local heritage places. The Heritage Council uses criteria established in September 1991 to determine
247-685: The Shire of Murchison, of which four are on the State Register of Heritage Places , among them the Boolardy Homestead . The homestead, dating back to 1875, was added to the state register on 29 May 2001. 26°53.61′S 115°57.39′E / 26.89350°S 115.95650°E / -26.89350; 115.95650 Square kilometre 1 km is equal to: It is also approximately equal to: Conversely: The symbol "km " means (km) , square kilometre or kilometre squared and not k(m ), kilo–square metre. For example, 3 km
266-595: The State Register of Heritage Places as well as local government inventories, other lists, the Australian Government's heritage list, and other non-government lists and surveys. The Heritage Council of Western Australia, through the Heritage Act 2018, maintains the State Register of Heritage Places, Protection orders and the Heritage agreement while Local governments maintain their Heritage lists and
285-509: The cultural heritage significance of each place, as follows: Places on the register can be searched by their name, location, local government area or place number. Place number 00001, the former St Joseph's Convent in Albany details location (142-152 Aberdeen Street), former names (St Joseph's School for Young Ladies), local government area ( City of Albany ), region ( Great Southern ), construction date (from 1881 to 1978) and listings. For
304-462: The figures published by golf course architects Crafter and Mogford, a course should have a fairway width of 120 metres and 40 metres clear beyond the hole. Assuming a 6,000-metre (6,600 yd) 18-hole course, an area of 80 hectares (0.8 square kilometre) needs to be allocated for the course itself. Examples of golf courses that are about one square kilometre include: State Register of Heritage Places The State Register of Heritage Places
323-668: The largest and most capable radio telescope ever constructed—50 times more sensitive than any other radio instrument. Australia and southern Africa will each host different components of the SKA. Management of the facilities at the SKA is coordinated by the CSIRO from the offices and laboratories at the Murchison Radio-astronomy Support Facility in Geraldton. As of 2023, 35 places are heritage-listed in
342-517: The shire was expanded in area when the northern part of the Shire of Mullewa and an eastern section of the Shire of Northampton were incorporated into Murchison. In 1966, a new shire office, including a residence for the shire clerk was built, approximately 200 km north of Mullewa on the Carnarvon to Mullewa Road. In 1985, a roadhouse was built nearby and additional shire buildings, including
361-459: Was not always a successful protection. The Mitchells Building on Wellington Street was State heritage listed in 2004 but demolished in 2005, with only the facade preserved at another location. Places listed on the register include buildings, structures, gardens, cemeteries, memorials, landscapes and archaeological sites. Inherit, the online list of heritage places in Western Australia, contains information about cultural heritage places listed in
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