↓ Refine your search

Results: 1-3 of 3

  • 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.) - United States. Environmental Protection Agency
    • Original Format: Maps
    • Date: 2001
  • Lewis and Clark, a legacy of science.

    Shows facsimile of Lewis and Clark exploration map and contemporary physical map of approximately the same geographic coverage. Relief shown by hachures on facsimile map. Relief shown by shading and gradient tints on contemporary physical map. "The original Lewis and Clark map has been digitally enhanced and prepared by the U.S. Geological Survey. Reproduced from the original held in the Library of Congress, Geography ...

    • Contributor: Lewis, Samuel - Clark, William - Harrison, Samuel - Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1814-20
  • Earthquakes and faults in the San Francisco Bay Area (1970-2003) / by Benjamin M. Sleeter ... [et al.].

    Relief shown by shading. Depths shown by shading and gradient tints. "Landsat satellite image compiled by Benjamin M. Sleeter, U.S. Geological Survey, Mento Park. Bathymetry data compiled from a digital version of NOAA ... by Florence Wong." In lower right margin: 125 years of science for America, 1879-2004. Includes location map, tables of "Magnitute 5.0 and greater earthquakes" and "Explanation," source-material notes, and graph. ...

    • Contributor: Sleeter, Benjamin M. - Wong, Florence L. - United States. National Oceanic and Atmospheric Administration - Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 2003