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Location Folder Show Tree ROOT _Users Filters Date Range Past year (3) Past month (1) Past week (0) Past day (0) Custom range... To   Search Extensions USGS Collection (1) Contacts U.S. Geological Survey U.S. Geological Survey Libraries Program, Denver Library Audra J Griebel Earth Resources Observation and Science (EROS) Center Jon Dewitz More... Categories Data (1) Tag Types Theme (2) Place (1) Harvest Set (2) Catalog (1) USGS Scientific Topic Keyword (1) Tag Schemes None (1) USGS Thesaurus (1) NGDA Portfolio Themes (1) Common Geographic Areas (1) ISO 19115 Topic Category (1) USGS Thesarus (1) http://www.sciencebase.gov/ (1) View Results as: JSON ATOM CSV Browse Folder

USGS Libraries Program The U.S. Congress authorized a library for the U.S. Geological Survey (USGS) in 1879. The library was formally established in 1882 with the naming of the first librarian and began with a staff of three and a collection of 1,400 books. Today, the USGS Libraries Program is one of the world's largest Earth and natural science repositories and a resource of national significance used by researchers and the public worldwide. Categories: Collection; Tags: USGS Science Data Catalog (SDC) USGS Denver Library Photographic Collection The U.S. Geological Survey Denver Library maintains a collection of more than 400,000 photographs taken during geologic studies of the United States and its territories from 1868 to the present. These images provide a visual history of the discovery, development, and sciences of the United States and its Geological Survey. Some photographs have been used in USGS publications, but most have never been published. Currently, this website represents less than 10 percent of the Library's images with approximately 38,000 photographs on-line. Visit http://library.usgs.gov/photo/#/. Categories: Collection, Data; Tags: Broken Link, Earthquakes, Expeditions, Landforms, Mineral Specimens, All tags... National Parks, Natural Hazards, Photomicrographs, USGS Science Data Catalog (SDC), Volcanoes, Fewer tags National Land Cover Database (NLCD) Products The U.S. Geological Survey (USGS), in association with the Multi-Resolution Land Characteristics (MRLC) Consortium, produces the National Land Cover Database (NLCD) for the United States. The MRLC, a consortium of federal agencies who coordinate and generate consistent and relevant land cover information at the national scale for a wide variety of environmental, land management, and modeling applications, have been providing the scientific community with detailed land cover products for more than 30 years. Over that time, NLCD has been one of the most widely used geospatial datasets in the U.S., serving as a basis for understanding the Nation’s landscapes in thousands of studies and applications, trusted by scientists,... Categories: Collection; Tags: GIS, Image processing, Land Use Change, Land Use Land Cover Theme, Land cover, All tags... NGDA, NGDAID117, National Geospatial Data Asset, U.S., U.S. Geological Survey (USGS), US, United States, biota, digital spatial data, imageryBaseMapsEarthCover, Fewer tags