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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. Aerial Photography 2004 - Tile Index: Philadephia, Pennsylvania
2004. Philadelphia aerial photography.
3. Aerial Photography 2004: Philadephia, Pennsylvania
2004. Philadelphia aerial photography.
4. Aquatic Community Classification Project: Pennsylvania
2004. Aquatic Community Classification Project, prepared by the Western Pennsylvania Conservancy.
5. Aquatic Mollusk sampling points Plummers Island: Pennsylvania
2004. Ryan Evans, Pennsylvania Natural Heritage Program - Pittsburgh office. April 2004 freshwater snail sampling points around Plummer's Island, Montgomery County, Maryland.
6. Bioblitz zones for Erie Bluffs State Park: Pennsylvania
2004. Ephraim Zimmerman, Western Pennsylvania Conservancy. This shapefile is representative of the five zones which Erie Bluffs State Park was split into for the Bioblitzes (24 hour inventory of all living ...
7. Breeding Bird Atlas 2 - Grid: Pennsylvania
2004. This Website provides an interface for PA Breeding Bird Atlas staff and volunteers to find survey blocks, enter their findings and view results. I ...
8. Breeding Bird Atlas 2 - Regions: Pennsylvania
2004. This Website provides an interface for PA Breeding Bird Atlas staff and volunteers to find survey blocks, enter their findings and view results. I ...
9. Breeding Bird Atlas 2 - Survey Points: Pennsylvania
2004. This Website provides an interface for PA Breeding Bird Atlas staff and volunteers to find survey blocks, enter their findings and view results. I ...
10. Contours 10ft: Philadephia, Pennsylvania
2004. City of Philadelphia Water Department - Information Systems Technology. Planimetric Coverage containing the delineation of topographic contours at ten foot intervals. Annotation of Contour Line elevations exists. Annota...
11. Contours 2ft: Philadephia, Pennsylvania
2004. City of Philadelphia Water Department - Information Systems Technology. Planimetric Coverage containing the delineation of topographic contours at two foot intervals. Annotation of Contour Line elevations exists. Annota...
12. 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.
13. Delaware River Basin boundary - line: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Boundary of the Delaware River basin - line.
14. Delaware River Basin boundary - polygon: Pennsylvania
2004. Delaware River Basin Commission (DRBC). boundary of the Delaware River Basin.
15. 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.
16. Delaware River Basin county boundaries - clipped: Pennsylvania
2004. Delaware River Basin Commission (DRBC). County boundaries clipped to the Delaware River Basin.
17. 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.
18. Delaware River Basin creeks and rivers: Pennsylvania
2004. Delaware River Basin Commission (DRBC). creeks and rivers clipped to the Delaware River Basin.
19. Delaware River Basin major cities: Pennsylvania
2004. Delaware River Basin Commission (DRBC). major cities and towns within Delaware River Basin.
20. Delaware River Basin Reservoirs: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Reservoirs located within the Delaware River Basin.
21. Delaware River Basin roads: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Roads clipped to the Delaware River Basin.
22. Delaware River Basin sub-basins: Pennsylvania
2004. Delaware River Basin Commission (DRBC). sub-basins within the Delaware River Basin.
23. 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.
24. Delaware River boundary: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Boundary of the Delaware river within the Delaware River Basin.
25. Delaware river bridges: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Bridges over the Delaware River within the Delaware River Basin.
26. Delaware River islands: Pennsylvania
2004. Delaware River Basin Commission (DRBC). islands located on the Delaware River within the Delaware River Basin.
27. Delaware state boundary - line: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Line boundary for the state of Delaware.
28. Delaware watersheds within the Delaware River Basin: Pennsylvania
2004. Delaware River Basin Commission (DRBC). Delaware watersheds within the Delaware River Basin.
29. Easements: Pennsylvania
2004. Western Pennsylvania Conservancy. Point locations of conservation easements held by Western Pennsylvania Conservancy.
30. Ecoregions United States (Bailey)
2004. USDA Forest Service. This map layer is commonly called Bailey's ecoregions and shows ecosystems of regional extent in the United States, Puerto Rico, and the U.S. Virgi...
31. Historic projects: Pennsylvania
2004. Western Pennsylvania Conservancy. Point locations representing Western Pennsylvania Conservancy's projects that have resulted in the transfer of land to another party.
32. Historic Streams: Pennsylvania
2004. Pennsylvania Department of Environmental Protection. This is the Department's legacy master stream coverage. The last updates to this layer occurred in late 2004. This layer has been replaced by the H...
33. Major Municipal boundaries for the Delaware River Basin Area
2004. Delaware River Basin Commission (DRBC). Major municipal boundaries for the Delaware River Basin Area 2004.
34. Municipal boundaries for New York clipped to the Delaware River Basin
2004. Delaware River Basin Commission (DRBC). Municipal boundaries for New York clipped to the Delaware River Basin.
35. Municipal boundaries for Pennsylvania clipped to the Delaware River Basin
2004. Delaware River Basin Commission (DRBC). Municipal boundaries for Pennsylvania clipped to the Delaware River Basin.
36. Municipal Boundaries: New Jersey
2004. Delaware River Basin Commission (DRBC). New Jersey municipal boundaries.
37. National Agriculture Imagery Program (NAIP) 2004 for Pennsylvania
2004. USDA-FSA Aerial Photography Field Office. This data set contains imagery from the National Agriculture Imagery Program (NAIP). Funding for upgrading the resolution and scope of the NAIP dat...
38. National Agriculture Imagery Program (NAIP) 2004 for Pennsylvania - County Mosaics
2004. This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP acquires digital ortho imagery during the agricultura...
39. National Agriculture Imagery Program (NAIP) 2004 for Pennsylvania - Tile Index
2004. This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP acquires digital ortho imagery during the agricultura...
40. National Atmospheric Deposition Program 2004 - Pennsylvania
2004. U.S. Geological Survey. The National Atmospheric Deposition Programational Trends Network (NADPTN) is a nationwide network of precipitation monitoring sites. The network i...
41. National Hydrography Dataset (NHD) - High-resolution: area features
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
42. National Hydrography Dataset (NHD) Flowline: Allegheny
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
43. National Hydrography Dataset (NHD) Flowline: Delaware
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
44. National Hydrography Dataset (NHD) Flowline: Erie
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
45. National Hydrography Dataset (NHD) Flowline: Monongahela
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
46. National Hydrography Dataset (NHD) Flowline: PA, NY, NJ, MD
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
47. National Hydrography Dataset (NHD) Flowline: Pennsylvania
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
48. National Hydrography Dataset (NHD) Flowline: Potomac
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
49. National Hydrography Dataset (NHD) Flowline: Southwest Lake Ontario
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
50. National Hydrography Dataset (NHD) Flowline: Susquehanna
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...