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  2. Libre Map Project - Wikipedia

    en.wikipedia.org/wiki/Libre_Map_Project

    The Libre Map Project was started by Jared Benedict and around 100 additional individuals contributing money to purchase (or "liberate") a full set of 1:24K scale USGS topographic maps in Digital raster graphic form. [1] The map files were then hosted by archive.org to ensure the map data will continue to be freely available to everyone ...

  3. List of principal and guide meridians and base lines of the ...

    en.wikipedia.org/wiki/List_of_principal_and...

    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.

  4. South Atlantic Bight - Wikipedia

    en.wikipedia.org/wiki/South_Atlantic_Bight

    Within the South Atlantic Bight, the coast from Cape Fear in North Carolina to Cape Canaveral in Florida forms a fairly smooth curve known as the Georgia Bight or Georgia Embayment. The shape of the coast influences the height of the tides. Tidal ranges are only 2 feet (0.61 m) at the extremes of the bight, Cape Fear and Miami, but reach 6 to ...

  5. United States National Grid - Wikipedia

    en.wikipedia.org/wiki/United_States_National_Grid

    In addition to providing a convenient means to identify and communicate specific locations (points and areas), an overlaid USNG grid also provides an orientation, and—because it is distance based—a scale of distance that is present across the map. USGS topographic maps have for decades been published with 1000-meter UTM tick marks in the ...

  6. Physiographic regions of the United States - Wikipedia

    en.wikipedia.org/wiki/Physiographic_regions_of...

    USGS map colored by paleogeological areas and demarcating the sections of the U.S. physiographic regions: Laurentian Upland (area 1), Atlantic Plain (2-3), Appalachian Highlands (4-10), Interior Plains (11-13), Interior Highlands (14-15), Rocky Mountain System (16-19), Intermontane Plateaus (20-22), & Pacific Mountain System (23-25) The legend ...

  7. Geography of Georgia (U.S. state) - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Georgia_(U.S...

    Georgia is a state in the Southeastern United States in North America.The Golden Isles of Georgia lie off the coast of the state. The main geographical features include mountains such as the Ridge-and-valley Appalachians in the northwest, the Blue Ridge Mountains in the northeast, the Piedmont plateau in the central portion of the state and Coastal Plain in the south.

  8. The National Map - Wikipedia

    en.wikipedia.org/wiki/The_National_Map

    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 ...

  9. United States Coast and Geodetic Survey - Wikipedia

    en.wikipedia.org/wiki/United_States_Coast_and...

    United States Coast and Geodetic Survey emblem from 1891 map Coast and Geodetic Survey headquarters—the Richards Building—in 1902, with the United States Capitol visible in the distance. On February 5, 1889, by a joint resolution of Congress, the U.S. government accepted an invitation by the government of the German Empire to become a party ...