11. Surficial geologic map of the eastern Snake River plain and adjacent areas, 111° to 115° W., Idaho and Wyoming [cartographic material] Yale Public content 1982. 2016-01-08T21:02:19Z. 2016-07-13T21:10:45Z. Scott, William E. (William Edward), 1947-. U.S. Geological Survey. English. cartographic image. Public. Snake River Plain (Idaho and Or.), Idaho, U.S., Idaho., United States, and Snake River Plain.