• The geographic face of the nation--land cover : land cover of the conterminous United States, 1992 /

    "The U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency has produced a land cover dataset for the conterminous United States from 1992 Landsat Thematic Mapper imagery and supplemental data. The seamless National Land Cover Dataset (NLCD) contains 21 categories of land cover information suitable for a variety of state and regional applications, including landscape analysis, land management, and development of ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 2001
  • Catalog Record

    USGS mapping information geographic names information system (GNIS) / Catalog Record - Electronic Resource Available

    Mode of access: World Wide Web. Title from HTML header. Last modified: 10/02/01. Contains information about almost 2 million physical and cultural geographic features in the United States. The Federally recognized name of each feature described in the data base is identified, and references are made to a feature's location by state, county, and geographic coordinates.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 2001