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Paper maps often are published with overlaid rectangular (as opposed to latitude/longitude) grids to provide a reference to identify locations. However, these grids, if non-standard or proprietary (such as so-called "bingo" grids with references such as "B-4"), are typically not interoperable with each other, nor can they usually be used with GPS.
Figure 1. This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS. The following are the principal and guide meridians and base lines of the United States, with the year established and a brief summary of what areas' land surveys are based on each.
The red and black U.S. county maps are generated from scanned public domain originals, which have then been modified by User:Wapcaplet and User:Jdforrester to indicate the counties and licensed under the GFDL. User:The Anome has uploaded these images using a bot. User:Ram-Man included links to these maps in all of the county articles.
Its popularity is due to at least two factors. First, it uses a simple Cartesian coordinate system to specify locations rather than a more complex spherical coordinate system (the geographic coordinate system of latitude and longitude). By using the Cartesian coordinate system's simple XY coordinates, "plane surveying" methods can be used ...
Name used in the default map caption; image = USA Southeast.PNG The default map image, without "Image:" or "File:" top = 40.75 Latitude at top edge of map, in decimal degrees; bottom = 23.25 Latitude at bottom edge of map, in decimal degrees; left = -95.5 Longitude at left edge of map, in decimal degrees; right = -70.5 Longitude at right edge ...
name = USA Midwest Name used in the default map caption; image = USA MidwestMap01.png The default map image, without "Image:" or "File:" top = 49.5 Latitude at top edge of map, in decimal degrees; bottom = 36.15 Latitude at bottom edge of map, in decimal degrees; left = -105.5 Longitude at left edge of map, in decimal degrees; right = -79
Address geocoding, or simply geocoding, is the process of taking a text-based description of a location, such as an address or the name of a place, and returning geographic coordinates, frequently latitude/longitude pair, to identify a location on the Earth's surface. [1]
The Territory of American Samoa has 14 counties; however, these counties are not counted by the U.S. Census Bureau (they are treated as minor civil divisions). [2] The U.S. Census Bureau counts the 3 districts and 2 atolls of American Samoa as county-equivalents. [1] [2] Eastern District, American Samoa; Manu'a District, American Samoa