Allegany County, MD

Maryland County

County is named for the Allegheny Mountains. The name Allegany is derived from the Delaware Algonquian Indian word, "Alligewi," roughly translated as "Endless Mountains." The boundary between Washington County and Allegany County is Sideling Hill Creek. The county seat is Cumberland.

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Allegany County, MD

Maryland County

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The Lower Potomac
The Potomac Estuary
Mount Vernon to Anacostia River
Mall Area
Georgetown to Great Falls
Potomac Piedmont
Upper Potomac
The North Branch

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Monitoring Sites
Bridges and Ferries
Cruises and Charters

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