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Filtering: Subject:
Allegheny County, Pennsylvania
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Hexamer General Surveys, Volume 28, Plate 2695
Maps
1893-1894: Hexamer General Surveys: Volume 28, Plates 2656/7-2754/5
Hexamer General Surveys, Volume 22, Plates 2108-2109
Maps
1887-1888: Hexamer General Surveys: Volume 22, Plates 2056-2155
Hexamer General Surveys, Volume 22, Plates 2106-2107
Maps
1887-1888: Hexamer General Surveys: Volume 22, Plates 2056-2155
Hexamer General Surveys, Volume 21, Plate 2043
Maps
1885-1887: Hexamer General Surveys: Volume 21, Plates 1956-2054/5
Hexamer General Surveys, Volume 21, Plates 2041-2042
Maps
1885-1887: Hexamer General Surveys: Volume 21, Plates 1956-2054/5
Hexamer General Surveys, Volume 8, Plates 738-740
Maps
1873-1874: Hexamer General Surveys: Volume 8, Plates 656/7-754/5