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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.
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.
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.
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.
2009. World Wildlife Fund (WWF). This raster layer is a void-filled digital elevation model (DEM) of North America at 15 arc-seconds resolution. Elevation is expressed in meters an... U.S. Geological Survey.
2009. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu... Purdue University Libraries.
2006, 2007, 2008, and 2009. Phillips, Eleyne L., Cochrane, Guy R., Erdey, Mercedes D., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor character data at 2-meters resolution for the offshore area of Coal Oil Point, Calif... Geological Survey (U.S.).
2006, 2007, 2008, and 2009. Phillips, Eleyne L., Cochrane, Guy R., Erdey, Mercedes D., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor character data at 5-meters resolution for the offshore area of Coal Oil Point, Calif... Geological Survey (U.S.).
2007, 2008, 2009, and 2010. Cochrane, Guy R., Erdey, Mercedes D., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image of the seafloor map of Drakes Bay and the surrounding vicinity in California. This layer is part of the ... Geological Survey (U.S.).
2007, 2008, 2009, and 2010. Erdey, Mercedes D., Cochrane, Guy R., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor character data for the offshore area of Fort Ross, California. The seafloormaps were... Geological Survey (U.S.).