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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.
The United States National Grid (USNG) is a multi-purpose location system of grid references used in the United States. It provides a nationally consistent "language of location", optimized for local applications, in a compact, user friendly format. It is similar in design to the national grid reference systems used in other countries.
The third and fourth digits (xx00 through xx17) similarly indicate the number of tens of degrees of longitude of the 'minimum' square boundary, nearest to the Prime Meridian. By way of illustration, the square 1000 thus extends from 0°N to 10°N, 0°E to 10°E, and the square 7817 from 80°N to 90°N, 170°W to 180°W, adjacent to the major ...
The National Map is a significant contribution to the U.S. National Spatial Data Infrastructure (NSDI) from the Federal Geographic Data Committee (FGDC) and currently is being transformed to better serve the geospatial community by providing high quality, integrated geospatial data and improved products and services including new generation ...
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 ...
The National Map from the USGS; US Census Bureau map products; MapQuest World Atlas - United States; Microsoft/Encarta/Expedia World Atlas with atlas for North America to street level. Multimap World Atlas - United States; Perry-Castañeda Library Map Collection - United States has an extensive online collection of scanned maps of the US.
This 1988 BLM map depicts the principal meridians and baselines used for surveying states (colored) in the Public Land Survey System.. 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.
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