00914cam a22002771 4500 gs 21000187 DLC 20260227111325.0 760420s1921 xx 000 0 eng gs 21000187 (OCoLC)2127424 DLC TxEU DLC premarc QE91 .A4 no. 16 Coffin, Reuben Clare, 1886- Radium, uranium and vanadium deposits of southwestern Colorado, by R. C. Coffin. Denver, Col., Eames brothers, state printers, 1921. 231 p. incl. illus., maps, tables. 23 cm. and 3 fold. maps. in separate pocket. Colorado Geological Survey. Bulletin, 16 Bibliography : p. 226-227. Bibliographical foot-notes. Radium. Uranium. Vanadium. Mines and mineral resources Colorado. 26090 26090