Geologic map of the Loudoun County, Virginia, part of the Harpers Ferry quadrangle / Department of the Interior, U.S. Geological Survey ; by C. Scott Southworth ; prepared in cooperation with the Loudoun County Department of Environmental Resources
Series Titles:
Miscellaneous field studies ; map MF-2173 Miscellaneous field studies ; map MF-2173.
Variant Titles:
Loudoun County, Virginia part of the Harpers Ferry quadrangle, geologic map
1 map ; 39 x 45 cm, on sheet 101 x 122 cm, folded in envelope 30 x 24 cm + 1 pamphlet (12 pages ; 28 cm).
General Note:
Relief shown by contours and spot heights. "Geology mapped in 1989-90." Includes table, location map, 5 figures, and 7 cross sections. Accompanied by pamphlet.