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1. 100 Year all Flood: Lycoming County, Pennsylvania
2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...
2. 100 Year Flood: Lycoming County, Pennsylvania
2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...
3. 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,...
4. 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.
5. 10-Meter Digital Elevation Model: Albion River Watershed, California, 1984-2002
1984. California. Division of Mines and Geology. This raster layer is a 10-meter resolution digital elevation model (DEM) depicting the terrain surface and elevations within the Albion River water... California. Division of Mines and Geology.
6. 10-Meter Hillshade Grid: Albion River Watershed, California, 2004
2000. California. Division of Mines and Geology. This shaded relief map was derived from the digital elevation model (see "Digital Elevation Model: Albion River Watershed, California, 2004" raster... California. Division of Mines and Geology.
7. 1:1,000,000-Scale Coastline of the United States, 2014
2014. National Atlas of the United States. This line shapefile includes Global Map data showing the coastline of the United States, Puerto Rico, and the U.S. Virgin Islands. The United State... National Atlas of the United States.
8. 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.
9. 1:1,000,000-Scale Streams of the United States, 2014
2014. Geological Survey (U.S.). This map layer shows streams of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produced primarily from the Medium-R... Geological Survey (U.S.).
10. 1:1,000,000-Scale Waterbodies and Wetlands of the United States, 2014
2014. Geological Survey (U.S.). This polygon shapefile represents waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produc... Geological Survey (U.S.).
11. 500 Year Flood: Lycoming County, Pennsylvania
2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...
12. 6-Digit Accounting Units, Hydrologic Units: Indiana
2002. United States Geological Survey. WATERSHEDS_HUC06_USGS_IN is a polygon shapefile showing the boundaries of accounting units (HUA) in Indiana. Accounting units are noted by a 6-digi...
13. 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.
14. Active and Dormant Landslides, Elk River Watershed, California, 1940-2000
1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This polygon shapefile depicts active and dormant landslides within the Elk River watershed in Humboldt County, California. This layer does not inc... California Geological Survey.
15. Active and Dormant Landslides (Small), Elk River Watershed, California, 1940-2000
1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This point shapefile depicts smaller active and dormant landslides within the Elk River watershed in Humboldt County, California. Features shown he... California Geological Survey.
16. Afghanistan 2005 Lakes
2003. Lakes for Afghanistan.
17. Afghanistan 2005 River Lines
2003. River line features for Afghanistan.
18. Afghanistan 2005 River Polygons
2003. River polygon features for Afghanistan.
19. Afghanistan 2005 Watersheds
2003. Watersheds for Afghanistan.
20. Africa: Drainage Directions, 15s resolution, 2007
2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
21. Africa: Drainage Directions, 30s resolution, 2007
2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
22. Africa: Flow Accumulation, 15s resolution, 2007
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
23. Africa: Flow Accumulation, 30s resolution, 2007
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
24. Africa: River Network, 15s resolution, 2007
2007. World Wildlife Fund. This river network (stream lines) map for Africa is derived from the flow direction map for Africa. The flow accumulation map for Africa is used fo... Geological Survey (U.S.).
25. Africa: River Network, 30s resolution, 2007
2007. World Wildlife Fund. This river network (stream lines) map for Africa is derived from the flow direction map for Africa. The flow accumulation map for Africa is used fo... Geological Survey (U.S.).
26. Albemarle 2007 100 Year Floodplain
2000. 100 year floodplain for Albemarle County, Virginia.
27. Albemarle 2007 Hydro Groups
2000. Hydro groups for Albemarle County, Virginia.
28. Albemarle 2007 Hydro Lines
2000. Hydro lines (rivers, lakes, shorelines, etc.) for Albemarle County, Virginia.
29. Albemarle 2007 Hydro Poly
2000. Hydro polygons for Albemarle County, Virginia.
30. Albemarle 2007 Hydro Unit - 500kregs
2000. Hydro Unit - 500kregs for Albemarle County, Virginia.
31. Albemarle 2007 Watersheds
2000. Watersheds for Albemarle County, Virginia.
32. Albemarle 2007 Wetlands
2000. Wetlands for Albemarle County, Virginia.
33. Albemarle 2010 100 Year Floodplain
2010. 100 year floodplains in Albemarle County, Virginia.
34. Albemarle 2010 500 Year Floodplain
2010. 500 year floodplains in Albemarle County, Virginia.
35. Albemarle 2010 Floodway
2010. Floodways in Albemarle County, Virginia.
36. Albemarle 2010 Hydrological Lines
2010. Hydrological line features, including rivers, lakes, shorelines, etc., in Albemarle County, Virginia.
37. Albemarle 2010 Hydrological Polygons
2010. Hydrological polygon features, including open water, lakes, rivers, and ponds in Albemarle County, Virginia.
38. Albemarle 2010 Watersheds
2010. Watersheds in Albemarle County, Virginia.
39. Alexandria 2004 Hydrology
0. Hydrology for Alexandria, Virginia.
40. Alexandria 2004 Shorline
0. Shoreline for Alexandria, Virginia.
41. Alexandria 2004 Streams
0. Streams for Alexandria, Virginia.
42. Alluvial contacts (Units): Albion River Watershed, California, 2000
2000. California Geological Survey. This polygon shapefile depicts alluvial contacts in the Albion Watershed region of Mendocino County, California. Alluvail contacts are unconsolidat... California Geological Survey.
43. 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...
44. Annual Projected Water Balance by Subdrainage Area in Kenya, 2000 and 2010
2000. World Resources Institute. This polygon shapefile portrays annual projected water balance by subdrainage area in Kenya for 2000 and 2010. The data was taken from the Kenya Na... World Resources Institute.
45. 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.
46. 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.
47. 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.
48. 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.
49. Aquatic Resources Group: Pennsylvania
2006. Natural Lands Trust with input data from PA DEP. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...
50. Aqueducts, Algeria, 2009
2009. International Steering Committee for Global Mapping and YaʼItyoṗyā kārtā śerā derejet. This line shapefile represents aqueducts and canals in Algeria. These data are part of GlobalMap Algeria version 2.Global Map data were developed u... International Steering Committee for Global Mapping.