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2001. World Water Bodies, 2013
2013. DeLorme Publishing Company and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the open water rivers, lakes, seas, and oceans of the world at 1:250,000 scale. This layer is part of the 2014 ES... Environmental Systems Research Institute (Redlands, Calif.).
2002. World Water Bodies, 2018
2018. Garmin International, Inc. World Water Bodies represents the open water rivers, lakes, dry salt flats, oceans, and seas of the world.For complete hydrographic coverage, use t... Esri.
2003. World Water Lines, 2018
2018. Garmin International, Inc. World Linear Water represents the rivers, streams, and canals of the world. These rivers, streams, and canals are too narrow to be represented as p... Esri.
2004. 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...
2005. 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...
2006. 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...
2007. 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.
2008. 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...
2009. 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...
2010. 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...