Geologic map of the Washington West 30' x 60' quadrangle, Maryland, Virginia, and Washington D.C. / by: Peter T. Lyttle [and fifteen others].
- Physical Description: 1 online resource (1 map) : color.
- Publisher: [Washington, D.C.] : U.S. Department of the Interior, U.S. Geological Survey, 2017.
Relief shown by contours.
"Based from U.S. Geological Survey, 1978; revised in 1986."
"Geology mapped from 1975 to 2013."
Includes location map, index of 1:24,000 scale geologic maps, and data sources.
|Bibliography, etc. Note:||
Includes bibliographic references.
|Source of Description Note:||
Description based on online resource; title from PDF caption (USGS website, viewed January 26, 2018).
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|Subject:||Geology > Washington (D.C.) > Maps.
Geology > Virginia > Maps.
Geology > Maryland > Maps.