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2006. World Wildlife Fund (WWF). This raster layer is a void-filled digital elevation model (DEM) of South America at 15 arc-seconds resolution. Elevation is expressed in meters an... U.S. Geological Survey.
2006. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales) provides hydrographic information in a consistent... U.S. Geological Survey.
1809. Pinkerton, John, 1758-1826 and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic regional map of Southern Africa originally created by John Pinkerton and illustrated by L... Stanford Digital Repository.
1955. California. Division of Bay Toll Crossings. This raster dataset is a georeferenced image of the San Francisco Bay showing southern crossings, originally contained in the "Report to Department... Stanford University. Center for Spatial and Textual Analysis.
2000. This raster dataset represents the average yield for soybean crops in tons per hectare. Croplands cover ~15 million km2 of the planet and provide t... University of Minnesota. Institute on the Environment.
2000. This raster dataset depicts equal area climate bins for soybean crops. Climate bins are defined by precipitation and growing degree days in crop ar... University of Minnesota. Institute on the Environment.
2000. This raster dataset represents the agricultural census data quality for soybean crop yields. Data quality categories include (0= missing, 0.25= cou... University of Minnesota. Institute on the Environment.
2000. This raster dataset represents the agricultural census data quality for harvested areas of soybean crops. Data quality categories include (0= missi... University of Minnesota. Institute on the Environment.
2000. This raster dataset depicts the average fractional proportion of a gridcell for soybean crops that were harvested circa 2000. Croplands cover ~15 m... University of Minnesota. Institute on the Environment.
2000. This raster dataset depicts the average number of hectares per land-area of a gridcell for soybean crops. Data quality categories include (0= missi... University of Minnesota. Institute on the Environment.