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2013. Geological Survey (U.S.). This map layer is a 100-meter resolution grayscale shaded relief image of Alaska, in an Albers Equal-Area Conic projection. Shaded relief was creat... National Atlas of the United States.
2013. Geological Survey (U.S.). This map layer is a 100-meter resolution grayscale shaded relief image of Hawaii, in an Albers Equal-Area Conic projection. Shaded relief was creat... National Atlas of the United States.
2012. Geological Survey (U.S.). This map layer is a 100-meter resolution grayscale shaded relief image of Puerto Rico and the U.S. Virgin Islands, in an Albers Equal-Area Conic pr... National Atlas of the United States.
2013. Geological Survey (U.S.). The Satellite View of Puerto Rico and the U.S. Virgin Islands map layer is a 100-meter resolution simulated natural-color image of Puerto Rico and ... National Atlas of the United States.
2013. Geological Survey (U.S.). The Satellite View with Shaded Relief of Hawaii map layer is a 100-meter resolution simulated natural-color image of Hawaii, with relief shading ad... National Atlas of the United States.
2013. Geological Survey (U.S.). The Satellite View with Shaded Relief of Puerto Rico and the U.S. Virgin Islands map layer is a 100-meter resolution simulated natural-color image ... National Atlas of the United States.
2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for the conterminous United States. The map layer was derived from the 100-meter resolution eleva... National Atlas of the United States.
1852. Eddy, William Marston. This layer is a georeferenced image of a map of an important early map of San Francisco during the early days of the gold rush. This project traces... Stanford University. Center for Spatial and Textual Analysis.
2001. National Atlas of the United States. The Bathymetric Shaded Relief of North America map layer shows depth ranges using colors, with relief enhanced by shading. The image was derived fr... National Atlas of the United States.
1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.