Gallery›Library of Congress — Maps›Map of the coal and iron district of Frostburgh, Westernport, and the upper Potomac in the States of Maryland and Virginia
Library of Congress — Maps
Map of the coal and iron district of Frostburgh, Westernport, and the upper Potomac in the States of Maryland and Virginia
douglass, david bates · 1840
Map
CC0 — Public Domain
Library of Congress — Maps
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