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1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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 ...

8. Asia: Drainage Directions, 15s resolution, 2007

2007. World Wildlife Fund (WWF). This drainage direction map for Asia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest downsl... U.S. Geological Survey.

9. Asia: Drainage Directions, 30s resolution, 2007

2007. World Wildlife Fund (WWF). This drainage direction map for Asia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest downsl... U.S. Geological Survey.

10. Asia: 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.

11. Asia: 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.

12. Australasia: Drainage Directions, 15s resolution, 2008

2008. World Wildlife Fund (WWF). This drainage direction map for Australasia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest... U.S. Geological Survey.

13. Australasia: Drainage Directions, 30s resolution, 2008

2008. World Wildlife Fund (WWF). This drainage direction map for Australasia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest... U.S. Geological Survey.

14. Australasia: Flow Accumulation, 15s resolution, 2008

2008. 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.

15. Australasia: Flow Accumulation, 30s resolution, 2008

2008. 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.

16. Central America: Drainage Directions, 15s resolution, 2007

2007. World Wildlife Fund (WWF). This drainage direction map for Central America defines the direction of flow from each cell in the conditioned digital elevation model to its stee... U.S. Geological Survey.

17. Central America: Drainage Directions, 30s resolution, 2007

2007. World Wildlife Fund (WWF). This drainage direction map for Central America defines the direction of flow from each cell in the conditioned digital elevation model to its stee... U.S. Geological Survey.

18. Central America: 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.

19. Central America: 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.

20. Chesapeake Bay Program 2003 WVA Waterbodies

0. West Virginia waterbodies for the Chesapeake Bay Program.

21. Chesapeake Bay Program 2003 WVA Waterbody Centerpoints

0. West Virginia waterbody centerpoints for the Chesapeake Bay Program.

22. Chesapeake Bay Watershed land use/land cover v105

2000. University of Maryland Regional Earth Science Applications Center (RESAC). A land cover map of the Chesapeake Bay Watershed plus the non-watershed components of counties that intersect the Watershed. The map has 17 cover c...

23. Digital Elevation Model, Elk River Watershed, California, 1940-2000

1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This raster dataset contains a 10-meter resolution digital elevation model (DEM) of the Elk River watershed in Humboldt County, California. This da... California Geological Survey.

24. Europe: Drainage Directions, 15s resolution, 2008

2008. World Wildlife Fund (WWF). This drainage direction map for Europe defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.

25. Europe: Drainage Directions, 30s resolution, 2008

2008. World Wildlife Fund (WWF). This drainage direction map for Europe defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.

26. Europe: Flow Accumulation, 15s resolution, 2008

2008. 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.

27. Europe: Flow Accumulation, 30s resolution, 2008

2008. 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.

28. Floodplains: Pennsylvania

2006. Natural Lands Trust with input data from PA DEP. This raster dataset has been created using the 'Floodplains from the PA Explorer CD-ROM edition' for each county in the study area as originated by...

29. Geology, Elk River Watershed, California, 1940-2000

1940. California Geological Survey, California. Dept. of Conservation., Marshall, Gerald, and Mendes, Eric. This raster dataset represents geologic units within the Elk River watershed in Humboldt County, California. This dataset is the product of the Dep... California Geological Survey.

30. Groundwater Depth Color Ramp, California, Fall 2013

2013. California. Department of Water Resources. This raster dataset (GeoTIFF) represents the depth to groundwater below the ground surface using a color ramp. These data represent groundwater lev... California. Department of Water Resources.

31. Groundwater Depth Color Ramp, California, Fall 2014

2014. California. Department of Water Resources. This raster dataset (GeoTIFF) represents the depth to groundwater below the ground surface using a color ramp. These data represent groundwater lev... California. Department of Water Resources.

32. Groundwater Depth Color Ramp, California, Fall 2015

2015. California. Department of Water Resources. This raster dataset (GeoTIFF) represents the depth to groundwater below the ground surface using a color ramp. These data represent groundwater lev... California. Department of Water Resources.

33. Groundwater Depth Color Ramp, California, Spring 2011

2011. California. Department of Water Resources. This raster dataset (GeoTIFF) represents the depth to groundwater below the ground surface using a color ramp. These data represent groundwater lev... California. Department of Water Resources.

34. Groundwater Depth Color Ramp, California, Spring 2012

2012. California. Department of Water Resources. This raster dataset (GeoTIFF) represents the depth to groundwater below the ground surface using a color ramp. These data represent groundwater lev... California. Department of Water Resources.

35. Groundwater Depth Color Ramp, California, Spring 2013

2013. California. Department of Water Resources. This raster dataset (GeoTIFF) represents the depth to groundwater below the ground surface using a color ramp. These data represent groundwater lev... California. Department of Water Resources.

36. Groundwater Depth Color Ramp, California, Spring 2014

2014. California. Department of Water Resources. This raster dataset (GeoTIFF) represents the depth to groundwater below the ground surface using a color ramp. These data represent groundwater lev... California. Department of Water Resources.

37. Groundwater Depth Color Ramp, California, Spring 2015

2015. California. Department of Water Resources. This raster dataset (GeoTIFF) represents the depth to groundwater below the ground surface using a color ramp. These data represent groundwater lev... California. Department of Water Resources.

38. Groundwater Depth Color Ramp, California, Spring 2016

2016. California. Department of Water Resources. This raster dataset (GeoTIFF) represents the depth to groundwater below the ground surface using a color ramp. These data represent groundwater lev... California. Department of Water Resources.

39. Groundwater Elevation Change Color Ramp, California, Fall 2004 to Fall 2014

2004. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between f... California. Department of Water Resources.

40. Groundwater Elevation Change Color Ramp, California, Fall 2005 to Fall 2015

2015. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between f... California. Department of Water Resources.

41. Groundwater Elevation Change Color Ramp, California, Fall 2009 to Fall 2014

2009. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between f... California. Department of Water Resources.

42. Groundwater Elevation Change Color Ramp, California, Fall 2010 to Fall 2015

2015. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between f... California. Department of Water Resources.

43. Groundwater Elevation Change Color Ramp, California, Fall 2011 to Fall 2014

2011. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between f... California. Department of Water Resources.

44. Groundwater Elevation Change Color Ramp, California, Fall 2012 to Fall 2015

2012. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between f... California. Department of Water Resources.

45. Groundwater Elevation Change Color Ramp, California, Fall 2013 to Fall 2014

2013. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between f... California. Department of Water Resources.

46. Groundwater Elevation Change Color Ramp, California, Fall 2014 to Fall 2015

2014. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between f... California. Department of Water Resources.

47. Groundwater Elevation Change Color Ramp, California, Spring 2003 to Spring 2013

2003. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

48. Groundwater Elevation Change Color Ramp, California, Spring 2005 to Spring 2015

2005. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

49. Groundwater Elevation Change Color Ramp, California, Spring 2006 to Spring 2016

2006. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

50. Groundwater Elevation Change Color Ramp, California, Spring 2008 to Spring 2013

2008. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

51. Groundwater Elevation Change Color Ramp, California, Spring 2009 to Spring 2014

2009. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

52. Groundwater Elevation Change Color Ramp, California, Spring 2010 to Spring 2013

2010. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

53. Groundwater Elevation Change Color Ramp, California, Spring 2010 to Spring 2015

2005. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

54. Groundwater Elevation Change Color Ramp, California, Spring 2011 to Spring 2014

2011. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

55. Groundwater Elevation Change Color Ramp, California, Spring 2011 to Spring 2016

2011. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

56. Groundwater Elevation Change Color Ramp, California, Spring 2012 to Spring 2015

2012. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

57. Groundwater Elevation Change Color Ramp, California, Spring 2013 to Spring 2014

2013. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

58. Groundwater Elevation Change Color Ramp, California, Spring 2013 to Spring 2016

2013. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

59. Groundwater Elevation Change Color Ramp, California, Spring 2014 to Spring 2015

2014. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

60. Groundwater Elevation Change Color Ramp, California, Spring 2015 to Spring 2016

2015. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California using a color ramp. These data represent groundwater changes between s... California. Department of Water Resources.

61. Groundwater Elevation Color Ramp, California, Fall 2013

2013. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California for fall 2013 using a color ramp. This layer is a smoothed approximati... California. Department of Water Resources.

62. Groundwater Elevation Color Ramp, California, Fall 2014

2014. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California for fall 2014 using a color ramp. This layer is a smoothed approximati... California. Department of Water Resources.

63. Groundwater Elevation Color Ramp, California, Fall 2015

2015. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California for fall 2015 using a color ramp. This layer is a smoothed approximati... California. Department of Water Resources.

64. Groundwater Elevation Color Ramp, California, Spring 2011

2011. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California for spring 2011 using a color ramp. This layer is a smoothed approxima... California. Department of Water Resources.

65. Groundwater Elevation Color Ramp, California, Spring 2012

2012. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California for spring 2012 using a color ramp. This layer is a smoothed approxima... California. Department of Water Resources.

66. Groundwater Elevation Color Ramp, California, Spring 2013

2013. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California for spring 2013 using a color ramp. This layer is a smoothed approxima... California. Department of Water Resources.

67. Groundwater Elevation Color Ramp, California, Spring 2014

2014. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California for spring 2014 using a color ramp. This layer is a smoothed approxima... California. Department of Water Resources.

68. Groundwater Elevation Color Ramp, California, Spring 2015

2015. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California for spring 2015 using a color ramp. . This layer is a smoothed approxi... California. Department of Water Resources.

69. Groundwater Elevation Color Ramp, California, Spring 2016

2016. California. Department of Water Resources. This raster dataset (GeoTIFF) represents groundwater elevation in California for spring 2016 using a color ramp. This layer is a smoothed approxima... California. Department of Water Resources.

70. Headwater Protection: Pennsylvania

2006. Natural Lands Trust. This raster dataset has been created using inputs including 'small watersheds' (see metadata entitled 'smallsheds.xml') and the National elevation ...

71. Hillshade Topography, Elk River Watershed, California, 1940-2000

1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This raster dataset contains topographic hillshade for the Elk River watershed in Humboldt County, California. This dataset is the product of the D... California Geological Survey.

72. Historical Aerial Photography: Illinois, 1937-1947

1936. Illinois State Geological Survey. The primary data set consists of historical black and white aerial photographs from Illinois acquired during 1936 to 1941. Alternative years of pho...

73. Loudoun 2005 Water Bodies

2008. Water bodies for Loudoun County, Virginia.

74. Mountain Lake Biological Station 2009 Clippled Basins

2002. Clipped basins for the Mountain Lake Biological Station.

75. North America: Drainage Directions, 15s resolution, 2009

2009. World Wildlife Fund (WWF). This drainage direction map for North America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.

76. North America: Drainage Directions, 30s resolution, 2009

2009. World Wildlife Fund (WWF). This drainage direction map for North America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.

77. North America: Flow Accumulation, 15s resolution, 2009

2009. 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.

78. North America: Flow Accumulation, 30s resolution, 2009

2009. 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.

79. Relative Landslide Potential, Elk River Watershed, California, 1940-2000

1940. California Geological Survey, California. Dept. of Conservation., Marshall, Gerald, and Mendes, Eric. This raster dataset represeting relative landslide potential within the Elk River watershed in Humboldt County, California. This layer contains fiv... California Geological Survey.

80. South America: Drainage Directions, 15s resolution, 2006

2006. World Wildlife Fund (WWF). This drainage direction map for South America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.

81. South America: Drainage Directions, 30s resolution, 2006

2006. World Wildlife Fund (WWF). This drainage direction map for South America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.

82. South America: Flow Accumulation, 15s resolution, 2006

2006. 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.

83. South America: Flow Accumulation, 30s resolution, 2006

2006. 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.

84. 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.