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Coal mines and mining
name
New York (State). State Engineer and Surveyor
1
Phillip, J.G
1
Sweet, S. H. (Sylvanus Howe), 1830-1899
1
collection
Maps of North America
1
place
Allegany County
1
Allegany County (Md.)
1
Maryland
1
genre
Maps
1
publisher
New York State Engineer and Surveyor
1
division
Map Division
1
type
x
cartographic
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Potomac River
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: Coal mines and mining
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: cartographic
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Cumberland coal region: shewi…
abstract:
… Branch of the
Potomac
River
in Maryland