1917. 2011-05-26T17:12:03Z. 2015-10-21T15:00:00Z. Geological Survey (U.S.). Dept. of the Interior, U.S. Geological Survey. English. Public. Benton County (Wash.), Grandview (Wash.), Horse Heaven Hills (Wash.), Klickitat County (Wash.), Mabton (Wash.), Prosser (Wash.), Rattlesnake Hills (Wash.), Washington (State), Yakima County (Wash.), and Yakima River (Wash.).