Geologic and geophysical maps of the Great Rift Instant Study Area, Blaine, Butte, Minidoka, and Power counties, Idaho - Kuntz, M.; Mabey, D.; Champion, D.E.; Stanley, W.; Lefebvre, R.H.; Spiker, E.C.; McBroome, L.A.; Covington, H. R. (Miscellaneous Field Studies Map, 1983)