Stratigraphic sections of the phosphoria formation :
1953 and 1954 /
by R.W. Swanson, L.D. Carswell, R.P. Sheldon, and T.M. Cheney.

APA Citation

Swanson, R., Cheney, T. M. (Thomas M.)., Sheldon, R. Porter., Carswell, L., U.S. Atomic Energy Commission. Division of Raw Materials., Geological Survey (U.S.). (1955). Stratigraphic sections of the phosphoria formation: 1953 and 1954. [Washington D.C.]: United States Department of the Interior, Geological Survey.

MLA Citation

Geological Survey (U.S.), et al.. Stratigraphic Sections of the Phosphoria Formation: 1953 And 1954. [Washington D.C.]: United States Department of the Interior, Geological Survey, 1955.