104 State Water Plan Watersheds: Pennsylvania
1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...
3.75-Minute Quarter Quadrangle Boundary: Pennsylvania
2003. Pennsylvania Spatial Data Access. Index of USGS quarter-quadrangles (3.75 minute) covering Pennsylvania. The polygons are attributed with information pertaining to the USGS/PaGS Dig...
Active Railroads: Pennsylvania
1996. Environmental Resources Research Institute. Location of active rail lines in Pennsylvania, digitized from 1:24,000 USGS topographic maps on a stable Mylar base.
Agricultural security areas: Pennsylvania
1996. Penn State ORSER/ERRI. Agricultural security areas from LLRWS data.
Bear Harvest by County 2003 - 2012: Pennsylvania
2012. The Pennsylvania State University. Pennsylvania bear harvest by county boundary 2003 - 2010.
Biofuel Feedstock Potential in the Chesapeake Bay- Abandoned Cropland: Pennsylvania
2010. This dataset is intended to illustrate the potential for biofuel production in the Chesapeake Bay, in a manner that does not compete with current f...
Biofuel Feedstock Potential in the Chesapeake Bay- Current Cropland: Pennsylvania
2010. This layer shows potential land area for the production of biofuel feedstocks, such as winter barley, winter rye and switchgrass. Areas and corresp...
Boundaries Of Exceptional Value Watersheds: Pennsylvania
1996. Environmental Resources Research Institute. Watersheds of exceptional quality streams.
Boundary: Penn State Campus: Pennsylvania
2018. Boundaries of Penn State owned properties.
Breeding Bird Atlas 2 - Grid: Pennsylvania
2004. This Website provides an interface for PA Breeding Bird Atlas staff and volunteers to find survey blocks, enter their findings and view results. I ...
