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1. 104 State Water Plan Watersheds: Pennsylvania
1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...
2. 1:100,000 Quadrangle Polygon Boundaries: Russian River Watershed, California, 1996
1996. Circuit Rider Productions. This layer shows the areas of the USGS 1:100,000 quadrangle boundary maps that are within the watershed boundaries of the Russian River basin.This ... Circuit Rider Productions.
3. 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.
4. 1:24,000 Quadrangle Polygon Boundaries: Russian River Watershed, California, 1996
1996. Circuit Rider Productions. This layer represents the polygon coverage of USGS 1:24,000 scale quadrangles that are within the watershed boundaries of the Russian River basin.T... Circuit Rider Productions.
5. Antarctic Ice Shelf Areas, 1:10 million (2012)
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts year-round ice shelves in Antarctica. Data was derived from the MODIS 2003-2004 Mosaic of Antarctica, but reflects m... North American Cartographic Information Society.
6. Antarctic Ice Shelf Areas, 1:50 million (2012)
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts the edges of year-round ice shelves fringing Antarctica. Data was generalized from 10m Antarctic ice shelves derived... North American Cartographic Information Society.
7. Antarctic Ice Shelf Edges, 1:10 million (2012)
0. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts the edges of year-round ice shelves fringing Antarctica. Data was derived from the MODIS 2003-2004 Mosaic of Antarc... North American Cartographic Information Society.
8. Antarctic Ice Shelf Edges, 1:50 million (2012)
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts the edges of year-round ice shelves fringing Antarctica. Data was generalized from 10m Antarctic ice shelves derive... North American Cartographic Information Society.
9. 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.
10. Bodies of Water, Baghdad, 2010
2010. LeadDog Consulting (Firm). This polygon shapefile represents the boundaries of bodies of water in Baghdad, Iraq. This layer is part of a collection of 2010 routing data for B... LeadDog Consulting (Firm).
11. Bodies of Water: Sacramento County, California, 2015
2015. Sacramento County GIS. This polygon shapefile depicts boundaries of bodies of water in the County of Sacramento, California, including canals, dams, the Delta, ponds, res... Sacramento County GIS.
12. Bodies of Water: San Francisco Bay Area, California, 2011
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts bodies of water in the nine county San Francisco Bay Area Region, California, onto which other thematic data can be ... Bay Area Open Space Council.
13. Bodies of Water: Santa Clara County, California, 2015
2015. Santa Clara Valley Water District (Calif.). This polygon shapefile depicts boundaries of Bodies of Water in the County of Santa Clara, California, including reservoirs, lakes, percolation pon... Santa Clara Valley Water District (Calif.).
14. Boundaries: Noyo River Watershed, California, 2000
2000. California. Division of Mines and Geology. This polygon shapefile displays the boundaries of the Noyo River Watershed, which lies within the Coast Ranges physiographic province of California... California. Division of Mines and Geology.
15. Boundary: San Francisco Bay, California 2011
2011. Bay Area Open Space Council, GreenInfo Network (Firm), Conservation Lands Network, and San Francisco Bay Area Upland Habitat Goals Project. This polygon shapefile depicts the boundary of the San Francisco Bay in California, including San Pablo Bay and the Carquinez Straight, onto which ... Bay Area Open Space Council.
16. Bulletin 118 - Groundwater Basins and Subbasins, California, 2003
2003. California. Department of Water Resources. The polygon shapefile contains the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resources (B... California. Department of Water Resources.
17. Bulletin 118 - Groundwater Basins and Subbasins, California, 2016
2016. California. Department of Water Resources. This polygon shapefile contains the boundaries of 517 groundwater basins and subbasins as defined by the California Department of Water Resources a... California. Department of Water Resources.
18. Census Block Groups: Philadephia, Pennsylvania
2010. U.S. Department of Commerce, U.S. Census Bureau, Geography Division. The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from ...
19. Chesapeake Bay region state boundaries
1996. Penn State ORSER/ERRI. Boundaries for the states in the Chesapeake Bay region.
20. Counties: Russian River Watershed, California, 1990
1990. Circuit Rider Productions. This polygon dataset contains county boundaries and features (usually shorelines). The county outlines were digitized from 1:100,000 scale mylar US... Circuit Rider Productions.
21. Federal Lands of the United States, 2006
1972. National Atlas of the United States. This polygon shapefile contains federally owned or administered lands of the United States, Puerto Rico, and the U.S. Virgin Islands. Only areas of... National Atlas of the United States.
22. Felt Reservoir, Jasper Ridge Biological Preserve, 2017
2017. Jasper Ridge Biological Preserve (Agency). This polygon shapefile represents Felt Reservoir in the Jasper Ridge Biological Preserve (JRBP), Woodside, California. This layer is part of a coll... Jasper Ridge Biological Preserve (Agency).
23. 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.
24. Flood Control Agency Boundary Map, San Joaquin County, California, 2015
2015. San Joaquin County (Calif.). Community Development Department. This polygon shapefile represents the boundary of the San Joaquin Area Flood Control Agency (SJAFCA) as of July 2015. The SJAFCA's mission is to st... San Joaquin County (Calif.). Community Development Department.
25. Flood Control Zones: Santa Clara County, California, 2015
2015. Santa Clara Valley Water District (Calif.). This polygon shapefile depicts boundaries of the Flood Control Zones in the County of Santa Clara, California over which the Santa Clara Valley Wat... Santa Clara Valley Water District (Calif.).
26. Flood Zones and Floodways: Humboldt County, California, 2015
2015. von Dohlen, Jerry. This polygon shapefile depicts Modified Federal Emergency Management Agency (FEMA) Q3 Flood Data merged with Floodway Data. This coverage displays ... Humboldt County Planning and Building Department.
27. Freshwater Creek Watershed, California, 1999
1999. California Geological Survey and California. Division of Mines and Geology. This polygon shapefile contains the boundary of the Freshwater Creek watershed, located in Humboldt County, California at 1:24,000 scale. This map ... California Geological Survey.
28. Geologic Units (Polygons), Freshwater Creek Watershed, California, 1999
1999. California Geological Survey and California. Division of Mines and Geology. This polygon shapefile represents geological units (such as fault contacts, lithographic contacts and the watershed boundary) within the Freshwater... California Geological Survey.
29. Hydrographic Features (Polygons): United States and Territories, 2011
2011. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile depicts hydrography coverages that were created using TIGER/Line 2000 shapefile data gathered from ESRI's Geography Network.... United States. Bureau of Transportation Statistics.
30. Hydrologic Sub Area Watersheds: 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 polygon shapefile depicts a dissolve that was run on the Hydrologic Sub Areas for the nine county San Francisco Bay Area Region, California. H... Bay Area Open Space Council.
31. Hydrologic Sub-Area Boundaries: Russian River Watershed, California, 1999
1999. Circuit Rider Productions. This polygon dataset represents the Hydrologic Sub-Area boundaries for the Russian River basin, as defined by the Calwater 2.2a watershed boundarie... Circuit Rider Productions.
32. Hydrologic Unit Watersheds: 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 polygon shapefile depicts hydrologic unit watersheds for the nine county San Francisco Bay Area Region, California. Hydrologic Units are those... Bay Area Open Space Council.
33. Jackson Demostration State Forest, California, 2002
2002. California. Division of Mines and Geology and California. Department of Conservation. This polygon shapefile displays the boundaries of the Jackson Demonstration State Forest (JDSF), predominantly located on the coastal side of the M... California. Division of Mines and Geology.
34. Lake and Sea Boundaries, Egypt, 2006
2006. Egypt. Jihāz al-Markazī lil-Taʻbiʼah al-ʻĀmmah wa-al-Iḥṣāʼ. This polygon shapefile contains the boundaries of lakes and seas in Egypt for 2006. These data are part of a collection of boundary data for Egypt ... Egypt. Jihāz al-Markazī lil-Taʻbiʼah al-ʻĀmmah wa-al-Iḥṣāʼ.
35. Land Use: San Francisco Bay Area, California, 2008
2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts land use for the nine county San Francisco Bay Area Region, California, originlly derived from the California Depart... Bay Area Open Space Council.
36. Letter of Map Revision for Streams: Santa Cruz County, California, 2003
2003. Garcia, Paul and Price, Matt. This polygon shapefile represents Letter of Map Revision (LOMR) stream areas in the County of Santa Cruz, California. A Letter of Map Revision (LOM... County of Santa Cruz Information Services Department.
37. Mill Creek Wetlands: Humboldt County, California, 2015
2015. von Dohlen, Jerry. This polygon shapefile depicts boundaries of the Mill Creek Wetlands in the County of Humboldt, California. The McKinleyville Community Plan adopte... Humboldt County Planning and Building Department.
38. Nile River Boundaries, Egypt, 2006
2006. Egypt. Jihāz al-Markazī lil-Taʻbiʼah al-ʻĀmmah wa-al-Iḥṣāʼ. This polygon shapefile depicts the coverage area of the Nile River in Egypt as of 2006. These data are part of a collection of boundary data for Eg... Egypt. Jihāz al-Markazī lil-Taʻbiʼah al-ʻĀmmah wa-al-Iḥṣāʼ.
39. Planning Watersheds: 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 polygon shapefile depicts a dissolve that was run on the planning watersheds for the nine county San Francisco Bay Area Region, California. Pl... Bay Area Open Space Council.
40. Small Watersheds: Pennsylvania
2014. Environmental Resources Research Institute Eastern Pennsylvania Coalition for Abandoned Mine Reclamation (EPCAMR). Boundaries of 9,895 watersheds in Pennsylvania indicated in the Pennsylvania gazeteer of streams. These boundaries enclose catchment areas for name...
41. Small Watersheds: Pennsylvania
1997. Environmental Resources Research Institute. Boundaries of 9,895 watersheds in Pennsylvania indicated in the Pennsylvania gazeteer of streams. These boundaries enclose catchment areas for name...
42. Storm Districts, San Joaquin County, California, 2015
2015. San Joaquin County (Calif.). Community Development Department. This polygon shapefile contains the boundaries of storm districts in San Joaquin County, California as of July 2015. Storm districts are collectors... San Joaquin County (Calif.). Community Development Department.
43. Stormwater Runoff Catchments: Santa Clara County, California, 2008
2015. Santa Clara Valley Water District (Calif.). This polygon shapefile depicts boundaries of Stormwater Runoff Catchments for outfalls greater than or equal to 18 inches in diameter, in the Count... Santa Clara Valley Water District (Calif.).
44. Subwatershed Boundaries, California (12-digit HUC), 2013
2013. Wyoming Geographic Information Sciences Center. This polygon shapefile contains the 6th level, 12-digit hydrologic unit code (HUC) sub-watershed boundaries of California. This layer consists of g... Wyoming Geographic Information Sciences Center.
45. The United States of America, W. Barker sculp. Philadelphia (Raster Image)
1796. Stanford University. Center for Spatial and Textual Analysis and Carey, Mathew, 1760-1839. This layer is a georeferenced raster image of a map of the United States originally created by Matthew Carey and engraved by William Barker. The or... Stanford Digital Repository.
46. Watershed Boundaries: Santa Clara County, California, 2015
2015. Santa Clara Valley Water District (Calif.). This polygon shapefile depicts boundaries of Major Watersheds in the County of Santa Clara, California. The Santa Clara Valley Water District manag... Santa Clara Valley Water District (Calif.).
47. Watershed Map: Russian River, California, 1999
2000. Circuit Rider Productions. This polygon shapefile shows the watershed boundaries of the Russian River Basin. These data are derived from the California Watershed Map (v.2.2),... Circuit Rider Productions.
48. World Shoreline Boundary between Island Ponds and Islands, 2014 (Full-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between island ponds and islands at low resolution. GSHHG data are made available at 5 resolutions, ... United States. National Geospatial-Intelligence Agency.
49. World Shoreline Boundary between Island Ponds and Islands, 2014 (High-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between island ponds and islands at high resolution. High represents an 80 percent reduction in size... United States. National Geospatial-Intelligence Agency.
50. World Shoreline Boundary between Island Ponds and Islands, 2014 (Intermediate-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between island ponds and islands at intermediate resolution. Intermediate represents an 80 percent r... United States. National Geospatial-Intelligence Agency.
51. World Shoreline Boundary between Island Ponds and Islands, 2014 (Low-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between island ponds and islands at low resolution. Low represents an 80 percent reduction in size a... United States. National Geospatial-Intelligence Agency.
52. World Shoreline Boundary between Lake and Land, 2014 (Crude-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lakes and land at crude resolution. Crude represents an 80 percent reduction in size and qua... United States. National Geospatial-Intelligence Agency.
53. World Shoreline Boundary between Lake and Land, 2014 (Full-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lakes and land at full (original) resolution. GSHHG data are made available at 5 resolutions... United States. National Geospatial-Intelligence Agency.
54. World Shoreline Boundary between Lake and Land, 2014 (Intermediate-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lakes and land at intermediate resolution. Intermediate represents an 80 percent reduction i... United States. National Geospatial-Intelligence Agency.
55. World Shoreline Boundary between Lake and Land, 2014 (Low-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lakes and land at low resolution. Low represents an 80 percent reduction in size and quality... United States. National Geospatial-Intelligence Agency.
56. World Shoreline Boundary between Lake Islands and Lakes, 2014 (Crude-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lake islands and lakes at crude resolution. Lake islands, or inland islands, are landmasses ... United States. National Geospatial-Intelligence Agency.
57. World Shoreline Boundary between Lake Islands and Lakes, 2014 (Full-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lake islands and lakes at full resolution. Lake islands, or inland islands, are landmasses i... United States. National Geospatial-Intelligence Agency.
58. World Shoreline Boundary between Lake Islands and Lakes, 2014 (High-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lake islands and lakes at high resolution. Lake islands, or inland islands, are landmasses i... United States. National Geospatial-Intelligence Agency.
59. World Shoreline Boundary between Lake Islands and Lakes, 2014 (Intermediate-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lake islands and lakes at intermediate resolution. Lake islands, or inland islands, are land... United States. National Geospatial-Intelligence Agency.
60. World Shoreline Boundary between Lake Islands and Lakes, 2014 (Low-resolution)
2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lake islands and lakes at low resolution. Lake islands, or inland islands, are landmasses in... United States. National Geospatial-Intelligence Agency.