Subject: Digital mapping / Access: Public - Yale University Library GeoBlacklight Search Results

Start Over Subject Digital mapping Access Public

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. HUSCO 1790-1999 historical United States county boundary files / [cartographic material]

1999. 2005-11-10T19:42:54Z. 2019-12-04T17:55:30Z. Earle, Carville. Geoscience. English. cartographic image. Public. United States and United States.

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