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Series IV. Allegheny County, 1946-1975

Scope and Content Notes:

This series contains maps of Allegheny County as a whole. Similar maps may be found online in the Darlington Digital Library Maps website.


Map-case 8-13
Folder 8 Road map of Allegheny County, Pennsylvania, prepared by the County Planning Commission, 1946
Road map of Allegheny County, Pennsylvania, prepared by the County Planning Commission, 1952 (7.0 items)
Road map of Allegheny County, Pennsylvania, prepared by the County Planning Commission, 1959
Road map of Allegheny County, Pennsylvania, prepared by the County Planning Commission, 1963
Road map of Allegheny County, Pennsylvania, prepared by the County Planning Commission, 1968
Reduced copy of Road map of Allegheny County, Pennsylvania, prepared by the County Planning Commission, 1968 (2.0 items)
Road map of Allegheny County, Pennsylvania, prepared by the County Planning Commission, 1971
Road map of Allegheny County, Pennsylvania, prepared by the County Planning Commission, 1975
Map of Allegheny County, prepared by the Pennsylvania Department of Highways, 1946
Allegheny County minor civil divisions, with Congressional Districts outlined, 1962
Port Authority Transit system map, Spring 1976
Map of Monongahela River Thru-Way Project, with accompanying notes, 1964 (2.0 items)

Map-case 30-7
Folder 2 General highway map of Allegheny County, Pennsylvania, prepared by the Pennsylvania Department of Highways, 1964 (3.0 items)
Roll 1 Map of Allegheny County, Pennsylvania, from actual surveys by S. N. and F. W. Beers, 1862
Roll 2 Official Hearne Brothers polyconic projection map of North Pittsburgh and northern half of Allegheny County, undated