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21. Delaware River Basin Commission watershed boundaries - HUC 8: Pennsylvania
2004. Delaware River Basin Commission (DRBC). watershed boundaries for the Delaware River Basin at the HUC 8 level.
22. Delaware River Basin county boundaries - clipped: Pennsylvania
2004. Delaware River Basin Commission (DRBC). County boundaries clipped to the Delaware River Basin.
23. Delaware River Basin county boundaries - unclipped: Pennsylvania
2004. Delaware River Basin Commission (DRBC). County boundaries that touch the Delaware River Basin, not clipped to the basin boundary.
24. Delaware River Basin creeks and rivers: Pennsylvania
2004. Delaware River Basin Commission (DRBC). creeks and rivers clipped to the Delaware River Basin.
25. Delaware River Basin major cities: Pennsylvania
2004. Delaware River Basin Commission (DRBC). major cities and towns within Delaware River Basin.
26. Delaware River Basin Reservoirs: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Reservoirs located within the Delaware River Basin.
27. Delaware River Basin sub-basins: Pennsylvania
2004. Delaware River Basin Commission (DRBC). sub-basins within the Delaware River Basin.
28. Delaware River Basin watershed boundaries - HUC 11: Pennsylvania
2004. Delaware River Basin Commission (DRBC). watershed boundaries for the Delaware River Basin at the HUC 11 level.
29. Delaware River boundary: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Boundary of the Delaware river within the Delaware River Basin.
30. Delaware river bridges: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Bridges over the Delaware River within the Delaware River Basin.
31. Delaware River islands: Pennsylvania
2004. Delaware River Basin Commission (DRBC). islands located on the Delaware River within the Delaware River Basin.
32. Delaware state boundary - line: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Line boundary for the state of Delaware.
33. Delaware Water Gap Landuse: Pennsylvania
2000. US Geological Survey (USGS). Landuse for the Delaware Water Gap and Surrounding watersheds and tributaries.
34. Delaware watersheds within the Delaware River Basin: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Delaware watersheds within the Delaware River Basin.
35. Digital Update Unit Regions: Russian River Basin, California, 1999-2002
1999. Circuit Rider Productions. This dataset contains regions representing the domains of the digital update units from National Hydrography Data and features were selected based ... Circuit Rider Productions.
36. Disrupted Ground Regions: Albion River Watershed, California, 1983-1984
1983. California Geological Survey. This polygon file depicts disrupted ground regions within the Albion River watershed in Mendocino County, California. Disrupted ground consists of ... California Geological Survey.
37. Ephemeral and Perennial Streams, Arizona, 1993
1993. Arizona. State Land Department. Dataset identifies both Ephemeral and Perennial Streams throughout Arizona. This dataset was converted in the fall of 1988 from USGS 1:100,000 scal... Arizona State Land Department, Arizona Land Resources Information System.
38. Evolutionary Significant Unit Boundaries, Chinook Salmon: Russian River, California, 2002
2002. Circuit Rider Productions. This line shapefile of evolutionary significant unit boundaries was compiled from various sources based on written descriptions in National Marine ... Circuit Rider Productions.
39. Evolutionary Significant Unit Boundaries, Coho Salmon: Russian River, California, 2002
2002. Circuit Rider Productions. This line shapefile depicts Evolutionary significant unit (ESU) boundaries for Coho Salmon that were compiled from various sources based on written... Circuit Rider Productions.
40. Evolutionary Significant Unit Boundaries, Steelhead Trout: Russian River, California, 2002
Circuit Rider Productions. This line shapefile of evolutionary significant unit (ESU) boundaries was compiled from various sources based on written descriptions in National M... Circuit Rider Productions.