CARR, Wilfred J. Geology of the American falls Quadrangle Idaho / by Wilfred J. Carr and Donald E. Trimble. -- Washington : United States Government Printing Office, 1963 - 44 p. + map. -- (Geological Survey Bulletin ; 1121-G). Subjects--Topical Terms: GeomorfologíaIdaho Universal Decimal Class. No.: 551.4(796)