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Primarily from the United States Government Printing Office Style Manual. [1] State names usually signify only parts of each listed state, unless otherwise indicated. Based on the BLM manual's 1973 publication date, and the reference to Clarke's Spheroid of 1866 in section 2-82, coordinates appear to be in the NAD27 datum.
TopoZone was one of the first topographic mapping site on the web, providing visitors with free viewing and printing of the full set of United States Geological Survey topographic maps covering the entire United States. The maps are produced by the USGS, which encourages the distribution of their maps through business partners.
The Public Land Survey System (PLSS) is the surveying method developed and used in the United States to plat, or divide, real property for sale and settling. Also known as the Rectangular Survey System, it was created by the Land Ordinance of 1785 to survey land ceded to the United States by the Treaty of Paris in 1783, following the end of the ...
1 Global online map service provider and their map Service. 2 By continent. ... including National Topographic Maps MTN50 (1:50,000 scale) and MTN25 (1:25,000 scale). [6]
The logo of the United States Geological Survey (USGS) The Geographic Names Information System (GNIS) is a database of name and location information about more than two million physical and cultural features throughout the United States and its territories; as well as the associated states of the Marshall Islands, Federated States of Micronesia, and Palau; and Antarctica.
The Navajo meridian, established in 1869, [1] is one of the two principal meridians for Arizona, the other being the Gila and Salt River meridian.Its initial point was stated as latitude 35° 45' north, longitude 108° 32' 45" west from Greenwich, [2] but has been revised as 3] The Navajo meridian and baseline were used to set townships and ranges in a special survey for the original Navajo ...
Thompson Peak is located in the McDowell Mountains, the summit being 20 miles (32 km) to the northeast of Phoenix, Arizona. Its height is 3,984 feet (1,214 m). Its height is 3,984 feet (1,214 m). Thompson Peak has amateur and Maricopa County government radio towers on the summit, accessible via a service road from Fountain Hills .
The topographic elevation of a summit measures the height of the summit above a geodetic sea level. [ 2 ] [ 3 ] The first table below ranks the 20 highest major summits of Arizona by elevation. The topographic prominence of a summit is a measure of how high the summit rises above its surroundings.