v. 1. Geological field guide to the Hawaiian Islands, T188/304. South Cascades Arc volcanism, California and southern Oregon, T312. Cenozoic volcanism in the Cascade Range and Columbia Plateau, southern Washington and northernmost Oregon, T106. Devils Tower : Black Hills Alakalic igneous rocks and general geology, T131. Quaternary volcanism of Long Valley Caldera and Mono-Inyo Craters, eastern California, T313 -- v. 2. Middle Proterozoic belt supergroup, western Montana, T334. Montana high-potassium igneous province, T346. Cordilleran volcanism, plutonism, and magma generation at various crustal levels, Montana and Idaho, T337. Snake River Plain : Yellowstone volcanic province, T305.