2001. Godt, Jonathan W. This polygon shapefile shows point locations of costly individual landslide events in the 50 United States and Puerto Rico. Landslide locations wer... National Atlas of the United States.
2000. California. Department of Fish and Game. Marine Resources Region and Geological Survey (U.S.). This point shapefile contains information on names, locations, and types of geographic features in California. The layer source is a custom state e... California. Department of Fish and Game. Marine Resources Region.