Geology of the Three Forks quadrangle, Montana.

Robinson, G. D. 1918-

Geology of the Three Forks quadrangle, Montana. With sections on petrography of igneous rocks, by H. Frank Barnett. - Washington, U.S. Govt. Print. Off., 1963. - 143 p. illus., maps (2 col.) diagrs., tables. 29 cm.

4 pieces of illustrative matter fold. in pocket.

Bibliography: p. 135-140.

gs 63000240


Geology--Montana--Three Forks quadrangle
Petrology--Montana--Three Forks quadrangle

QE75 / .P9 no. 370

I 19.16:370

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