US Material Map

Large area material map of the conterminous US: Surficial mineralogy derived from Landsat 7 ETM+ and ASTER data, calculated by Barnaby Rockwell.

ASTER
Western US ASTER
legend for ASTER West
Landsat 7
Landsat 7 ETM+
legend for Landsat 7
Geographic reference
OpenStreetMap
Shaded relief
US States
US Counties
US county names
USGS map quadrangles
Map quadrangle names

Need more? You can View, Download, and Understand this data source at https://mrdata.usgs.gov/surficial-mineralogy/usminmap/.

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