00861cam a22002651 4500 gs 53000088 DLC 20260227111359.0 770317s1953 dcuab b f00010 eng c gs 53000088 //r85 U.S. Geol. Survey. Libr. ak n-us-ak QE75 .C5 no. 248 Wedow, Helmuth, 1917- Preliminary summary of reconnaissance for uranium and thorium in Alaska, 1952, by Helmuth Wedow, Jr., and others. Washington, 1953. 15 p. maps (1 fold.) tables. 27 cm. Geological Survey circular, 248 "Literature cited": p. 15. Uranium ores Alaska. Thorium ores Alaska. Geology Alaska. Mineralogy Alaska. Geological Survey circular ; 248. 28720 28720