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2001. WCO Districts: Pennsylvania
2017. PA Fish and Boat Commission. Pennsylvania Fish and Boat Commission Waterways Conservation Officer Districts.
2002. West Branch of the Delaware River boundary: Pennsylvani
2004. Delaware River Basin Commission (DRBC). Boundary of the West Branch of the Delaware River.
2003. West Branch Susquehanna Subbasin: Susquehanna River Basin
2006. SRBC. Polygon shapefile of the West Branch Susquehanna Subbasin. This file was created from the 2006 subbasin.shp SRBC dataset.
2004. Wetlands - Line: Chester County, Pennsylvania
1997. U.S. Fish & Wildlife Service, National Wetlands Inventory. NWI digital data files are records of wetlands location and classification as defined by the U.S. Fish & Wildlife Service. This dataset is a compil...
2005. Wetlands - Point: Chester County, Pennsylvania
1997. U.S. Fish & Wildlife Service, National Wetlands Inventory. NWI digital data files are records of wetlands location and classification as defined by the U.S. Fish & Wildlife Service. This dataset is a compil...
2006. Wetlands and Deepwater Habitats of the National Wetlands Inventory (NWI): Indiana
2014. United States Fish and Wildlife Service. WETLANDS_NWI_USFWS_IN.SHP provides the extent and locations of wetlands and deepwater habitats in Indiana. The following is excerpted from metadat...
2007. Wetlands LaCrosse County, Wisconsin, 2015
2015. La Crosse County Land Records GIS Department. This polygon data layer represents wetlands for La Crosse County, Wisconsin in 2015. It is a feature class within the geodatabase LaCrosse_Wetlands...
2008. Wilderness Trout Streams: Pennsylvania
2015. Pennsylvania Fish and Boat Commission. This layer contains flowing waters from the Pennsylvania Fish and Boat Commission Fisheries Resource Database that are under the Wilderness Trout D...
2009. WPC 4th Order Streams: Western Pennsylvania
2004. David Homans, Pennsylvania Natural Heritage Program. All Streams of 4th order or greater in the region surrounding data in the Pennsylvania Aquatic Database (PAD) developed by the Pennsylvania Natural...
2010. WPC 5th Order Streams: Western Pennsylvania
2004. David Homans, Pennsylvania Natural Heritage Program. All Streams of 5th order or greater in the region surrounding data in the Pennsylvania Aquatic Database (PAD) developed by the Pennsylvania Natural...
2011. WPC aquatic sampling locations: Western Pennsylvania
2004. Ohio River Valley Water Sanitation Commission. Point file outlining aquatic sampling locations (fish, chemistry and benthic macroinvertebrates) in the Ohio River Valley Water Sanitation Commissi...
2012. WPC Drainage area polygons for each RF3 river reach: Western Pennsylvania
2004. David Homans. Drainage area polygons for each RF3 river reach flowing in Pennsylvania.
2013. WPC HUC12 (includes percentage land-use): Western Pennsylvania
2004. USGS. 12 digit USGS hydrological unit code (HUC) watersheds within Pennsylvania. Includes percentage land-use information from the National Land Cover Da...
2014. WPC non-protected sites: Western Pennsylvania
2004. Pennsylvania Natural Heritage Program. Final export of all aquatic sampling sites from the Pennsylvania Aquatic Database (PAD) at the completion of Phase I of the Pennsylvania Aquatic Co...
2015. WPC RF3 river reaches (includes percentage land-use): Western Pennsylvania
2004. David Homans, Pennsylvania Natural Heritage Program. Drainage area polygons for each RF3 river reach flowing in Pennsylvania. Includes percentage land-use information from the National Land Cover Data...
2016. Zebra Mussel Distribution: United States
2008. U.S. Geological Survey. The concern caused by the explosive spread of the zebra mussel, (Dreissena polymorpha), within the United States resulted in passage of the Nonindi...