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Stratigraphic sections of the Phosphoria formation in Wyoming, 1947-48
Vincent Ellis McKelvey, L.E. Smith, R.A. Hoppin, F.C. Armstrong
1952, Trace Elements Investigations 184
As part of a comprehensive investigation of the phosphate deposits of the western field begun in 1947, the U. S. Geological Survey has measured and sampled the Permian Phosphoria formation at many localities in Wyoming and adjacent states. Because these data will not be fully synthesized for many years,...
Stratigraphic sections of the Phosphoria in Montana, 1947-48
Roger Warren Swanson, M. R. Klepper, W.R. Lowell, F.S. Honkala, E. R. Cressman, D.A. Bostwick, O.A. Payne, E. T. Ruppel
1952, Trace Elements Investigations 186
The U. S. Geological Survey has recently measured and sampled the Phosphoria formation at many localities in Montana and other western states. These data will not be fully synthesized and analyzed for several years, but segments of the data, accompanied by little or no interpretation, will be published as...
Stratigraphic sections of the Phosphoria formation in Utah, 1947-48
Vincent Ellis McKelvey, L.E. Smith, D.M. Kinney, J. W. Huddle, G.F. Hosford, R.S. Sears, D.P. Sprouse, M.D. Steward
1952, Trace Elements Investigations 185
As part of a comprehensive investigation of the phosphate deposits of the western field begun in 1947, the U. S. Geological survey has measured an sampled the full thickness of the Permian Phosphoria formation and its partial correlative, the Park City formation, at many localities in Utah and other western...