Petrography of radioactive tertiary igneous rocks, Front Range mineral belt, Colorado /
Wells, John D.(John David),1926-
U.S. Atomic Energy Commission.
Washington, [D.C.] : U.S. G.P.O.,
1960.
"Prepared on behalf of the United States Atomic Energy Commission.."
Includes index.
Bibliography: p. 269-270.
Petrology
Petrology
Rocks, Igneous.