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The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information. http://www.usgs.gov/

Topographic Change, 20th Century

Data depicts topographic Change in Philadelphia during the last century. Specifically, for the Frankford 7.5-minute quadrangle, which includes the Wissinoming neighborhood, and the Germantown 7.5-minute quadrangle, which includes the Logan and Feltonville neighborhoods. Data is derived from a variety of sources and estimates elevation change based on raster cells.

Resources

Additional Info

Created December 8, 2014
Category Environment
License License Not Specified
Maintainer Email pchirico@usgs.gov
Time Period 1999-2000
Usage Public Use
Open in GitHub