Geological map of Allegheny County 1877 by Lesley, J. P. (J. Peter), 1819-1903

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Size: 8091px × 7775px
Photo credit: © MAPGEN / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1848-1927, 1877, allegheny, america, american, cartographic, county, division, firyal, geological, geology, lionel, map, maps, north, pincus, princess