Rocks and mineral resources of the Wolf Creek area, Lewis and Clark and Cascade Counties, Montana /

by Schmidt, Robert George
Published 1978

High-alumina hydrothermal systems in volcanic rocks and their significance to mineral prospecting in the Carolina slate belt /

by Schmidt, Robert George
Published 1985

Geology, earthquake hazards, and land use in the Helena area, Montana : a review /

by Schmidt, Robert George
Published 1986

Preliminary geologic map of the Comb Rock quadrangle, Lewis and Clark County, Montana /

by Schmidt, Robert George
Published 1966

Preliminary geologic map and sections of the Hogan 4 Southeast quadrangle, Lewis and Clark County, Montana /

by Schmidt, Robert George
Published 1963

Preliminary geologic map of the Roberts Mountain quadrangle, Lewis and Clark County, Montana /

by Schmidt, Robert George
Published 1968

Geologic map of the Craig quadrangle, Lewis and Clark and Cascade Counties, Montana /

by Schmidt, Robert George
Published 1977

Petrology of the volcanic rocks.

by Schmidt, Robert George

Rocks and mineral resources of the Wolf Creek area, Lewis and Clark and Cascade counties, Montana : a descriptive report on an area in the disturbed belt along the eastern front of...

by Schmidt, Robert George
Published 1978

Geology of the Elliston region, Powell and Lewis and Clark counties, Montana /

by Schmidt, Robert George
Published 1994

Geology, earthquake hazards, and land use in the Helena area, Montana, a review /

by Schmidt, Robert George
Published 1985

Geology of the Cleveland quadrangle, Bearpaw Mountains, Blaine County, Montana /

by Schmidt, Robert George, Pecora, W. T. (William Thomas), 1913-1972
Published 1964

A reconnaissance of the Idaho batholith and comparison with the southern California batholith /

by Larsen, Esper S. (Esper Signius), 1879-1961, Schmidt, Robert George
Published 1958

Geology of Saipan, Mariana Islands.

by Cloud, Preston, 1912-1991, Burke, Harold W., Schmidt, Robert George
Published 1956

Geologic map of the Wolf Creek quadrangle, Lewis and Clark County, Montana /

Published 1972

Geologic map of the Coburn Mountain quadrangle, Lewis and Clark and Cascade Counties, Montana /

Published 1972

Geologic map of the Comb Rock quadrangle, Lewis and Clark County, Montana /

Published 1972

Geologic map of the Roberts Mountain quadrangle, Lewis and Clark County, Montana /

Published 1972

Geology of Saipan, Mariana Islands. a study of the nature, field relations, and origin of the rock succession on this small but complex western Pacific island, and its regional set...

by Cloud, Preston, 1912-1991
Published 1957

Provisional geologic map of the Snow Camp--Saxapahaw area, North Carolina /

Published 1990