Geologic map database of the Washington DC area, featuring data from three 30 x 60 minute quadrangles, Frederick, Washington West, and Fredericksburg [electronic resource] - Yale University Library GeoBlacklight

Geologic map database of the Washington DC area, featuring data from three 30 x 60 minute quadrangles, Frederick, Washington West, and Fredericksburg [electronic resource]

Author:: Geological Survey (U.S.)
Publisher:: U.S. Dept. of the Interior, U.S. Geological Survey
Subject:: Geology
Spatial Coverage:: Washington (D.C.) Region and Middle Atlantic States
Language:: English
Year:: 2002
Date Issued:: 2002-09-20T15:50:12Z
Date Modified:: 2005-05-18T17:47:38Z
Library Catalog Record:: https://search.library.yale.edu/catalog/6014524
Digital Collections Record:: No Digital Collections record

GeoBlacklight version 4.1.0