Search Results - Sheldon, Richard Porter, 1923-

Physical stratigraphy and mineral resources of Permian rocks in western Wyoming / by Richard P. Sheldon; prepared on behalf of the U.S. Atomic Energy Commission. by Sheldon, Richard Porter, 1923-

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Physical stratigraphy and mineral resources of Permian rocks in western Wyoming / by Richard P. Sheldon. by Sheldon, Richard Porter, 1923-

Stratigraphic sections of the Phosphoria Formation in Wyoming, 1952 / by R.P. Sheldon [and three others] by Sheldon, Richard Porter, 1923-

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Stratigraphic sections of the Phosphoria Formation in Wyoming, 1949-50 / by R.P. Sheldon [and three others] by Sheldon, Richard Porter, 1923-

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Stratigraphic sections of the Phosphoria Formation in Idaho, 1949. Part 1 / by R.P. Sheldon [and three others] by Sheldon, Richard Porter, 1923-

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Undiscovered phosphate resources in the Caribbean region and their potential value for agricultural development / by R.P. Sheldon [and three others] by Sheldon, Richard Porter, 1923-

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Physical stratigraphy of the Phosphoria formation in northwestern Wyoming / by Richard P. Sheldon. by Sheldon, Richard Porter, 1923-

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Geochemistry of uranium in phosphorites and black shales of the Phosphoria formation / by Richard P. Sheldon. by Sheldon, Richard Porter, 1923-

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Relation between specific gravity and iron content of rocks from the Red Mountain Formation, Alabama / by Richard P. Sheldon. by Sheldon, Richard Porter, 1923-

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Relation between specific gravity and iron content of rocks from the Red Mountain Formation, Alabama / by Richard P. Sheldon. by Sheldon, Richard Porter, 1923-

Geochemistry of uranium in phosphorites and black shales of the Phosphoria formation / by Richard P. Sheldon. by Sheldon, Richard Porter, 1923-

Physical stratigraphy of the Phosphoria formation in northwestern Wyoming / by Richard P. Sheldon. by Sheldon, Richard Porter, 1923-

Assessment of undiscovered phosphate resource potential of the Dominican Republic by Richard P. Sheldon and Robert C. McDowell ; prepared in cooperation with Dirección General de M... by Sheldon, Richard Porter, 1923-

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Phosphate-rock resources of the United States / by James B. Cathcart, Richard P. Sheldon, and Robert A. Gulbrandsen. by Cathcart, James Bachelder, 1917-, Gulbrandsen, Robert A., Sheldon, Richard Porter, 1923-

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Progress report on investigations of western phosphate deposits / by R.W. Swanson, V.E. McKelvey, and R.P. Sheldon. by Swanson, Roger Warren, 1914-, McKelvey, V. E. (Vincent Ellis), 1916-, Sheldon, Richard Porter, 1923-

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Undiscovered phosphate resources in the Caribbean region and their potential value for agricultural development / by R.P. Sheldon [and others]

Other Authors: “…Sheldon, Richard Porter, 1923-…”

Fertilizer mineral potential in Asia and the Pacific : proceedings of the Fertilizer Raw Materials Resources Workshop, August 20-24, 1979, Honolulu, Hawaii / edited by Richard P. S...

Other Authors: “…Sheldon, Richard Porter, 1923-…”

Phosphate-rock resources of the United States / by James B. Cathcart, Richard P. Sheldon, and Robert A. Gulbrandsen. by Cathcart, James Bachelder, 1917-

Other Authors: “…Sheldon, Richard Porter, 1923-…”

A summary of phosphate-rock resources of the United States an analysis of past estimates / James B. Cathcart, Richard P. Sheldon, and Robert A. Gulbrandsen ; United States Departme... by Cathcart, James Bachelder, 1917-

Other Authors: “…Sheldon, Richard Porter, 1923-…”

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Report on the Marine Phosphatic Sediments Workshop, February 9-11, 1979, Honolulu, Hawaii, U.S.A. / edited by William C. Burnett and Richard P. Sheldon ; [sponsored by East-West Re...

Other Authors: “…Sheldon, Richard Porter, 1923-…”
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