Geology and Uranium Deposits of Elk Ridge and Vicinity San Juan County, Utah By RICHARD Q. LEvVIS, SR., and...1919Geology and uranium deposits of Elk Ridge and vicinity, San Juan County, Utah, by Richard Q. Lewis, Sr., and...deposits of Elk Ridge and vicinity, San Juan County, Utah. 1964. (Card 2) 1. Geology-Utah-San Juan Co. 2.... Uranium ores-Utah-San Juan Oo. 3. 'Mines and mineral resources-Utah-S·an Juan Co. 1. Campbell, Russell...____________________ _ Navajo Sandstone ______________________ _ San Rafael Group __________________________ _ Carmel |