Geologic map of the Purcellville quadrangle, Loudoun County, Virginia
By: by Scott Southworth.
Contributors: Geological Survey (U.S.)
Series: Geologic quadrangle map -- 1755
Publisher: U.S. Geological Survey
Published: 1995
Place of publication: Reston, VA
Language: eng
Subjects: Geology -- Virginia -- Loudoun County -- Maps.
Genres: Maps.
Notes: Bibliogr.

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