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pennsylvania-state-university

1. Aquatic Resources Group: Pennsylvania

2006. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...
pennsylvania-state-university

2. Fish Species Occurrence Database: Pennsylvania

1998. Pennsylvania Fish and Boat Commission. Historical listing (1975-1995) of Pennsylvania fish species occurrences, as documented at 10,780 sampling points on streams and rivers throughout t...
pennsylvania-state-university

8. State Fish Hatcheries: Pennsylvania

2017. Pennsylvania Fish and Boat Commission. The Fish & Boat Commission operates fifteen (15) state fish hatcheries. Northern hatcheries (north of I-80) primarily culture warm/coolwater fish, ...
university-of-iowa

9. Trout Streams: Iowa

2017. Iowa Department of Natural Resources. Trout Streams of Iowa Zip file contains a shapefile.
pennsylvania-state-university

14. Zebra Mussel Distribution: United States

2008. United States Geological Survey (USGS). The concern caused by the explosive spread of the zebra mussel, (Dreissena polymorpha), within the United States resulted in passage of the Nonindi...