Search Results
2012. Wyoming Geographic Information Sciences Center. This polygon shapefile contains the 4th level, 8-digit hydrologic unit code (HUC) sub-basin boundaries for California. A hydrologic unit is a drain... Wyoming Geographic Information Sciences Center.
2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the water feature areas (for example, glaciers, lakes, reservoirs, and swamps) of the United States at 1:1,000,00... Environmental Systems Research Institute (Redlands, Calif.).
2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents the linear water features (for example, aqueducts, canals, intracoastal waterways, and streams) of the United States... Environmental Systems Research Institute (Redlands, Calif.).
2012 and 2013. Wyoming Geographic Information Sciences Center. This polygon shapefile contains the 5th level, 10 digit hydrologic unit code (HUC) watershed boundaries in California. This layer consists of geore... Wyoming Geographic Information Sciences Center.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile includes name attributes for major polar glaciers and more recently de-glaciated areas and does not include scale rank attri... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts major polar glaciers and more recently de-glaciated areas. Includes name attributes for major polar glaciers, but do... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile includes name attributes for major polar glaciers and more recently de-glaciated areas and does not include scale rank attri... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts historic natural and artificial lakes worldwide ranked by relative importance, coordinating with river ranking. Incl... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts historic natural and artificial lakes worldwide ranked by relative importance, coordinating with river ranking. Incl... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts natural and artificial lakes worldwide ranked by relative importance, coordinating with river ranking. Includes name... North American Cartographic Information Society.