Geologic map of the Washington West 30' x 60' quadrangle, Maryland, Virginia, and Washington D.C. /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.) (Cartographer)
Other Authors:	Lyttle, Peter T. (Cartographer)
Format:	Government Document Map
Language:	English
Published:	[Washington, D.C.] : U.S. Department of the Interior, U.S. Geological Survey, 2017.
Series:	Open-file report (Geological Survey (U.S.)) ; 2017-1142.
Subjects:	Geology > Washington (D.C.) > Maps. Geology > Virginia > Maps. Geology > Maryland > Maps. Geology. Maryland. Virginia. Washington (D.C.) Maps.
Online Access:	https://purl.fdlp.gov/GPO/gpo88511

Description
Item Description:	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.
Physical Description:	1 online resource (1 map) : color.
Bibliography:	Includes bibliographical references.
ISSN:	2331-1259 ;