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  2. Center for Earth Resources Observation and Science - Wikipedia

    en.wikipedia.org/wiki/Center_for_Earth_Resources...

    The Center for Earth Resources Observation and Science (EROS) is a United States Geological Survey data management, systems development, and research field center It serves as the national archive of remotely sensed images of the Earth's land surface acquired by civilian satellites and aircraft.

  3. United States Geological Survey - Wikipedia

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

    In 2015, the USGS unveiled the topoView website, a new way to view their entire digitized collection of over 178,000 maps from 1884 to 2006. The site is an interactive map of the United States that allows users to search or move around the map to find the USGS collection of maps for a specific area.

  4. United States Geological Survey Library - Wikipedia

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

    The USGS headquarters in Reston, VA. 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.

  5. Digital geologic mapping - Wikipedia

    en.wikipedia.org/wiki/Digital_geologic_mapping

    Digital geologic mapping is the process by which geological features are observed, analyzed, and recorded in the field and displayed in real-time on a computer or personal digital assistant (PDA). The primary function of this emerging technology is to produce spatially referenced geologic maps that can be utilized and updated while conducting ...

  6. U.S. National Geodetic Survey - Wikipedia

    en.wikipedia.org/wiki/U.S._National_Geodetic_Survey

    The National Geodetic Survey is an office of NOAA's National Ocean Service.Its core function is to maintain the National Spatial Reference System (NSRS), "a consistent coordinate system that defines latitude, longitude, height, scale, gravity, and orientation throughout the United States". [1]

  7. Geology of North America - Wikipedia

    en.wikipedia.org/wiki/Geology_of_North_America

    Geologic map of North America. The geology of North America is a subject of regional geology and covers the North American continent, the third-largest in the world. Geologic units and processes are investigated on a large scale to reach a synthesized picture of the geological development of the continent. The divisions of regional geology are ...