1. Compilation of selected geophysical references for the Snake River Plain, Idaho, and eastern Oregon [cartographic material] Yale Public content 1984. 2023-09-08T20:04:28Z. 2023-09-09T03:02:42Z. Whitehead, R. L., author. U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Snake River Plain (Idaho and Or.), United States, and Snake River Plain.