Potomac River basin : Clarke, Frederick, and Highland Counties, Virginia, Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral, Morgan and Pendleton Counties, West Virginia : major flood problem areas
Library of Congress — Maps

Potomac River basin : Clarke, Frederick, and Highland Counties, Virginia, Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral, Morgan and Pendleton Counties, West Virginia : major flood problem areas

united states. forest service · 1978

Map
CC0 — Public Domain
Library of Congress — Maps
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