Geology and igneous petrology of the northern Elkhorn Mountains, Jefferson and Broadwater Counties, Montana,

le Smedes, Harry W. (Harry Wynn), 1926-
Washington, U.S. Govt. Print. Off., 1966

Preliminary geologic map of the northern Elkhorn Mountains, Jefferson and Broadwater Counties, Montana

le Smedes, Harry W. (Harry Wynn), 1926-
Washington, D.C. : Dept. of the Interior, U.S. Geological Survey, 1962

Stratigraphic framework of the Absaroka volcanic supergroup in the Yellowstone National Park region /

le Smedes, Harry W. (Harry Wynn), 1926-
Washington : U.S. G.P.O., 1972

Geology and igneous petrology of the northern Elkhorn Mountains, Jefferson and Broadwater Counties, Montana /

le Smedes, Harry W. (Harry Wynn), 1926-
Washington : U.S. Govt. Print. Off, 1966

Stratigraphic framework of the Absaroka volcanic supergroup in the Yellowstone National Park region /

le Smedes, Harry W. (Harry Wynn), 1926-
Washington : U.S. Govt. Print. Off., 1972

Geology and igneous petrology of the northern Elkhorn Mountains, Jefferson and Broadwater counties, Montana /

le Smedes, Harry W. (Harry Wynn), 1926-

Geology and igneous petrology of the northern Elkhorn Mountains, Jefferson and Broadwater Counties, Montana /

le Smedes, Harry W. (Harry Wynn), 1926-
Washington : United States Department of the Interior, Geological Survey, 1966

Rationale for geologic isolation of high-level radioactive waste, and assessment of the suitability of crystalline rocks /

le Smedes, Harry W. (Harry Wynn), 1926-
[Denver, Colo.?] : U.S. Dept. of the Interior, Geological Survey, 1980

Preliminary geologic map of the northern Elkhorn Mountains, Jefferson and Broadwater Counties, Montana /

le Smedes, Harry W. (Harry Wynn), 1926-
Washington, D.C. : U.S. Geological Survey, 1962

Geologic map of the Two Ocean Pass quadrangle, Yellowstone National Park and vicinity, Wyoming /

le Smedes, Harry W. (Harry Wynn), 1926-
Reston, Va. : Denver, CO : U.S. Geological Survey ; For sale by Map Distribution, 1989

Preliminary geologic map of the Elk Park quadrangle, Jefferson and Silver Bow Counties, Montana /

le Smedes, Harry W. (Harry Wynn), 1926-
Washington, D.C. : U.S. Geological Survey, 1962

Stratigraphic framework of the Absaroka volcanic supergroup in the Yellowstone National Park region /

le Smedes, Harry W. (Harry Wynn), 1926-, Prostka, Harold J.
Washington : U.S. G.P.O., 1972

Stratigraphic framework of the Absaroka volcanic supergroup in the Yellowstone National Park region /

le Smedes, Harry W. (Harry Wynn), 1926-, Prostka, Harold J.
Washington : United States Department of the Interior, Geological Survey, 1972

Preliminary geologic map of the Elk Park quadrangle, Jefferson and Silver Bow Counties, Montana

Washington, D.C. : The Survey, 1962

Bouguer gravity, aeromagnetic, and generalized geologic map of East Helena and Canyon Ferry quadrangles and part of the Diamond City quadrangle, Lewis and Clark, Broadwater, and Je...

le Davis, W. E. (Willard E.), 1905-
Washington, D.C. : The Survey, 1963

Geologic map of the Pelican Cone quadrangle, Yellowstone National Park and vicinity, Wyoming

le Prostka, Harold J.
Reston, Va. : U.S. Geological Survey, 1975

Geologic map of the Pelican Cone quadrangle, Yellowstone National Park and vicinity, Wyoming /

le Prostka, Harold J.
Reston, Va. : U.S. Geological Survey, 1975

Geologic map of the Two Ocean Pass quadrangle, Yellowstone National Park and vicinity, Wyoming /

Reston, Va. : Denver, CO : The Survey ; For sale by Map Distribution, 1989

Preliminary map of plutonic units of the Boulder batholith, southwestern Montana /

[Denver, Colo.?] : The Survey : [Books and Open-File Reports Section, distributor], 1988

Geologic map of the Two Ocean Pass quadrangle, Yellowstone National Park and vicinity, Wyoming

Reston, Va. : The Survey, 1989