City of Pittsburgh Geodetic and Topographic Survey Maps

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What’s online?

Contains 171 plates prepared by the City of Pittsburgh Department of Planning staff.

What’s in the entire collection?

These maps were prepared by the City of Pittsburgh Department of Planning staff beginning in 1923 and maintained into the 1960s. Relief is shown by contours and spot heights. The original index map includes a grid index and legend.

In addition to contour data, these survey maps depict streets, buildings (and sometimes their names), churches, institutions, cemeteries, mills, parks, schools, railroads, bridges, tunnels, reservoirs, lakes, ponds, rivers, streams, development plans, and various landmarks.