"U.S. Atomic Energy Commission," . . "Geological Survey (U.S.)," . . "Geology San Juan Mountains (Colo. and N.M.)" . . . . "\"A bedded sequence of volcanic and sedimentary rocks more than 5,000 feet thick has been intruded by stocks and laccoliths.\"" . "Geology of the Mount Wilson quadrangle, western San Juan Mountains, Colorado" . . . . "Geology of the Mount Wilson quadrangle, western San Juan Mountains, Colorado"@en . "Geology of the Mount Wilson quadrangle, western San Juan Mountains, Colorado" . . . . . . . . . . . "United States" . . . . "Geology." . .