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1. 108th Congressional Districts for the Delaware River Basin Area'

2004. Delaware River Basin Commission (DRBC). 108th Congressional Districts for the Delaware River Basin Area. These were compiled from the 4 basin states and combined into one layer.

2. 1:1,000,000-Scale National Wilderness Preservation System of the United States, 2014

2014. National Atlas of the United States. This polygon shapefile consists of National Wilderness Preservation System areas of 320 acres or more, in the United States, Puerto Rico, and the U... National Atlas of the United States.

3. Abundance Estimates of the Pacific Salmon Conservation Assessment Database, 1978-2008

1978. Pinsky, Malin L., Springmeyer, Dane B., Goslin, Matthew N., and Augerot, Xanthippe. This dataset is a visualization of abundance estimates for six species of Pacific salmon (Oncorhynchus spp.): Chinook, Chum, Pink, Steelhead, Socke... Stanford Digital Repository.

4. Adult Salmonid Behavior and Characteristics, Russian River, California, 1990-1995

1990. Circuit Rider Productions. This point shapefile, from the Santa Rosa Subregional Long-Term Wastewater Project, Anadromous Fish Migration Study Program reports, displays the F... Circuit Rider Productions.

5. Ambient and fixed station network groundwater monitoring point data (1985 - 1998): Pennsylvania

1999. PA Department of Environmental Protection. This coverage represents the point locations and data for 1,106 groundwater quality monitoring points sampled under the PA DEP Fixed Station Networ...

6. Anadromous Stream Restoration Projects (Lines): Russian River, California, 1981-2002

1981. Circuit Rider Productions. This line shapefile was created by digitizing locations of stream habitat restoration projects marked on maps included in the paper documentation o... Circuit Rider Productions.

7. Anadromous Stream Restoration Projects (Points): Russian River, California, 1981-2002

1981. Circuit Rider Productions. This point shapefile contains the locations of completed projects (for which final reports have been received) funded through the California Depart... Circuit Rider Productions.

8. Anadromous Stream Restoration Projects (Polygons): Russian River, California, 1981-2002

1981. Circuit Rider Productions. This polygon shapefile includes habitat improvement projects, research projects (surveys and studies of streams, roads, watersheds), education proj... Circuit Rider Productions.

9. Average Water Consumption by Livestock and Wildlife by Subdrainage Area, Kenya, 1994-1996

1994. World Resources Institute. This polygon shapefile represents the average water consumption of livestock and wildlife by sub-basin in Kenya for 1994-96. The greatest water dem... World Resources Institute.

10. Bathymetric Contours for Selected Lakes: Indiana

2012. Indiana Department of Natural Resources, Division of Fish and Wildlife. LAKE_BATHYMETRY_IDNR_IN.SHP provides bathymetric contours for the following 85 lakes in Indiana, with depths calculated from the average shoreline ...

11. Baylands Boundary: San Francisco Bay Area, California, 1999

1999. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile represents the edge of the baylands boundary, as published in the San Francisco Estuary Institute's Eco Atlas released in 19... Bay Area Open Space Council.

12. California Coastal Commission Appeal Areas, Monterey County, California, 2015

2015. Monterey County (Calif.). This polygon shapefile contains areas within Monterey County where appeals can be submitted to the California Coastal Commission (CCC). The Califor... Monterey County (Calif.).

13. California Department of Fish and Game Lands: Russian River Basin, 2000

2000. Circuit Rider Productions. This polygon shapefile represents the portion of the lands administered and/or owned by DFG layer within the Russian River basin. These data were d... Circuit Rider Productions.

14. California Salmonid Habitat Inventory: Russian River Basin, California, 1996-2002

1996. Circuit Rider Productions. This line shapefile represents the Russian River Watershed portion of the California Salmonid Habitat Inventory- a quantitative stream habitat surv... Circuit Rider Productions.

15. Catch Basins and Culverts, Monterey County, California, 2015

2015. Monterey County (Calif.). This point shapefile depicts catch basins and culverts within Monterey County, California. The source data for this layer is the "Monterey Regional... Monterey County (Calif.).

16. Coastal Wetlands, Northeast United States, 1977-2014

1977. U.S. Fish and Wildlife Service. This polygon shapefile represents the extent, approximate location and type of wetlands and deepwater habitats in the Northeastern United States be... U.S. Fish and Wildlife Service.

17. County Seats for the Delaware River Basin Area: Pennsylvania

2004. Delaware River Basin Commission (DRBC). County Seats (county capitals) for the Delaware River Basin Area.

18. Debris Slide Slope Regions: Albion River Watershed, California, 1984-2000

1984. California Geological Survey. This polygon file depicts debris slide slope geomorphic features, defined as coalesced scars of debris flows and debris slides, within the Albion R... California Geological Survey.

19. Delaware River Basin boundary - line: Pennsylvania

2004. Delaware River Basin Commission (DRBC). Boundary of the Delaware River basin - line.

20. Delaware River Basin boundary - polygon: Pennsylvania

2004. Delaware River Basin Commission (DRBC). boundary of the Delaware River Basin.

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.

41. Facilities in the National Pollutant Discharge Elimination System: Indiana

2013. Indiana Department of Environmental Management, Office of Land Quality. NPDES_FACILITY_IDEM_IN is a point shapefile that contains National Pollutant Discharge Elimination System (NPDES) Program Facilities in Indiana, pr...

42. FEMA Flood Zones: San Francisco Bay Area, California, 2001

2001. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts Q3 Flood Data features of FEMA's Flood Insurance Rate Map (FIRM) product for the nine county San Francisco Bay Area ... Bay Area Open Space Council.

43. FIRM Floodplains and Flood Hazard Zones: Indiana

2017. Indiana Department of Natural Resources. This polygon layer represents floodplains created from FEMA Flood Rate Insurance Maps (FIRM). The layer is symbolized to show the following flood h...

44. Fish Passage Barriers: San Francisco Bay Area, California, 2009

2009. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This point shapefile depicts data for the nine county San Francisco Bay Area Region, California from the Passage Assessment Database, which include... Bay Area Open Space Council.

45. Floodplain: Ann Arbor, Michigan, 2012

2012. That portion of the river valley, adjacent to the channel, which is built of sediments deposited during the present geological / climatic regime. B...

46. Fyke Net Monitoring of Salmonid Passages: Russian River, California, 1990-1995

1990. Circuit Rider Productions. This point shapefile contains results from Fyke net monitoring of salmonid passage that was conducted to evaluate the potential effects of reclaime... Circuit Rider Productions.

47. Geographic Names: San Francisco Bay Area, California, 2006

2006. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This point shapefile depicts physical and cultural geographic features of all types, not including roads and highways, within the nine county San F... Bay Area Open Space Council.

48. Geologic Features (Points): Noyo River Watershed, California, 2000

2000. California. Division of Mines and Geology. This point shapefile depicts geologic features including: mines/quarries, outcrops, spring, strikes and dips of bedding, strikes of vertical beddin... California. Division of Mines and Geology.

49. Geologic Units (Points): Jackson Demonstration State Forest, California, 2002

California. Division of Mines and Geology and California. Department of Conservation. This point shapefile geologic units such as marshes, wetlands, mines, quarries, and springs within the Jackson Demonstration State Forest (JDSF), w... California. Division of Mines and Geology.

50. Geologic Units (Polygons): Albion River Watershed, California, 1984-2000

1984. California Geological Survey. This polygon shapefile depicts geologic units including sand, silt, gravels, alluvium and colluvium deposits within the Albion River watershed in M... California Geological Survey.