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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.
United States Coast Survey: Latitude along which scale is correct can be chosen. Parallels meet meridians at right angles. 1963 Latitudinally equal-differential polyconic: Pseudoconical Compromise China State Bureau of Surveying and Mapping Polyconic: parallels are non-concentric arcs of circles. c. 1000: Nicolosi globular: Pseudoconical [4 ...
In the cartography of the United States, the American polyconic projection is a map projection used for maps of the United States and its regions beginning early in the 19th century. It belongs to the polyconic projection class, which consists of map projections whose parallels are non-concentric circular arcs except for the equator, which is ...
The United States of America is a federal republic [1] consisting of 50 states, a federal district (Washington, D.C., the capital city of the United States), five major territories, and various minor islands. [2] [3] Both the states and the United States as a whole are each sovereign jurisdictions. [4]
Image:Blank US Map with borders.svg, a blank states maps with borders. Image:BlankMap-USA.png, a map with no borders and states separated by transparency. Image:US map - geographic.png, a geographical map. On Wikimedia Commons, a free online media resource: commons:Category:Maps of the United States, the category for all maps with subcategories.
The 38th parallel north is a circle of latitude that is 38 degrees north of the Earth's equatorial plane.It crosses Europe, the Mediterranean Sea, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
Sign marking the 31st parallel north at Cape Sata, Japan In the United States, the 31st parallel defines part of the border between Mississippi and Louisiana, and part of the border between Alabama and Florida. The 31st parallel north is a circle of latitude that is 31 degrees north of the Earth's equatorial plane.
The 42nd parallel north defining borders between states in the United States Crossing the parallel in Girard, Pennsylvania. The parallel 42° north forms most of the New York–Pennsylvania border, although due to imperfect surveying in 1785–1786, this boundary wanders around on both sides of the true parallel.