Author: Geological Survey (U.S.) / Spatial Coverage: Philadelphia Region (Pa.) - Yale University Library GeoBlacklight Search Results

Start Over Author Geological Survey (U.S.) Spatial Coverage Philadelphia Region (Pa.)

1. Geographic information system analysis of topographic change in Philadelphia, Pennsylvania, during the last century [computer file]

2000. 2002-06-01T04:00:00Z. 2023-02-11T04:46:15Z. Geological Survey (U.S.). The Survey ; For sale by USGS Information Services (Open-File Report Sales). English. Public. Philadelphia Region (Pa.).

2. Philadelphia and vicinity, Pennsylvania-New Jersey and Delaware

1908. 2018-08-24T15:19:25Z. 2018-08-24T15:19:25Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Philadelphia Region (Pa.), Pennsylvania, and Philadelphia Region.