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  2. The National Map - Wikipedia

    en.wikipedia.org/wiki/The_National_Map

    The National Map Corps consists of volunteers who devote some of their time to provide cartographic information to the U.S. Geological Survey. The only requirements to participate are having access to the Internet and a current familiarity with the area being mapped. [6] This data is used to update The National Map.

  3. Libre Map Project - Wikipedia

    en.wikipedia.org/wiki/Libre_Map_Project

    The Libre Map Project is an online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. History [ edit ]

  4. United States Geological Survey - Wikipedia

    en.wikipedia.org/.../United_States_Geological_Survey

    The United States remains virtually the only developed country in the world without a standardized civilian topographic map series in the standard 1:25,000 or 1:50,000 metric scales, making coordination difficult in border regions (the U.S. military does issue 1:50,000 scale topo maps of the continental United States, though only for use by ...

  5. United States Geological Survey Library - Wikipedia

    en.wikipedia.org/wiki/United_States_Geological...

    Today, the United States Geological Survey Library's users have access to over 1.7 million items: over 980,000 books and journals, over 600,000 maps, over 8,000 electronic media items (DVDs, CDs), and subscribes to over 113,000 electronic journal titles and eBooks. Materials include USGS publications, as well as those produced by state and ...

  6. Geologic mapping of Georgia (U.S. state) - Wikipedia

    en.wikipedia.org/wiki/Geologic_mapping_of...

    The first Georgia-specific geologic map was created in 1825. The most recent state-produced geologic map of Georgia, by the Georgia Department of Natural Resources is 1:500,000 scale, and was created in 1976 by the department's Georgia Geological Survey. [1] It was generated from a base map produced by the United States Geological Survey.

  7. Geology of the United States - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_United_States

    Shaded relief map of the United States, showing 10 geological provinces. The richly textured landscape of the United States is a product of the dueling forces of plate tectonics, weathering and erosion. Over the 4.5 billion-year history of the Earth, tectonic upheavals and colliding plates have raised great mountain ranges while the forces of ...

  8. Geographic Names Information System - Wikipedia

    en.wikipedia.org/wiki/Geographic_Names...

    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.

  9. List of online map services - Wikipedia

    en.wikipedia.org/wiki/List_of_online_map_services

    "OS Maps", by Ordnance Survey. OpenStreetMap - covers the whole country "StreetMap", by Streetmap EU Ltd, at streetmap.co.uk - covers the whole country; United States. Apple Maps - covers the whole country; Bing Maps – covers the whole country; Google Maps - covers the whole country; Libre Map Project; MapQuest - covers the whole country

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