Area Underlain by Natural Gas Shales, Susquehanna River Basin, 2011
2011. Polygon shapefile representing the area underlain by shales with the potential for natural gas extraction in the Susquehanna River Basin. This data...
2001. Pennsylvania Department of Conservation and Natural Resources. Two digital data sets, one for geologic units and faults and the other for dikes, have been prepared for Pennsylvania. The data sets were digitized...
Ecoregions of Pennsylvania Level III
2010. U S Environmental Protection Agency. Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the typ...
Ecoregions of Pennsylvania Level IV
2010. U S Environmental Protection Agency. Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the typ...
Ecoregions United States (Omernik)
2003. U S Environmental Protection Agency. This map layer shows Omernik's Level III ecoregions, derived from a 1:7,500,000 map created by J.M. Omernik in 1987 and from refinements of Omernik...
Geological map of the region between the Ontonagon River, Michigan, and Numakagon Lake, Wisconsin
Geology--Wisconsin--Maps.
Geology by Rock Type for the Susquehanna River Basin
2006. This geology shapefile covers the entire Susquehanna River Basin (2006 boundary). It represents the merging of three state (NY, PA, MD) bedrock geo...
Geology: Centre County, Pennsylvania
Centre County Government. Geology layer showing the short and long names of the geologic formation.
Glacial Deposits of Northwestern Pennsylvania
2018. Digitized regional surficial geology map for northwestern Pennsylvania. The complete citation for the paper map is: Map of the Glacial Deposits of ...
Gonzalez de las Peéas, German, cartographer. Geology--Cuba--Maps.
