1.
Stratigraphic Sections of the Phosphoria Formation in Wyoming 1951 : Geological Survey Circu...
by Cheney, T. M., Sheldon, Ric...
ISBN: 9781258670160
List Price: $35.95
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Progress Report on Investigations of Western Phosphate Deposits : Geological Survey Circular...
by Swanson, R. W., McKelvey, V...
ISBN: 9781258670030
List Price: $35.95
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Progress Report on Investigations of Western Phosphate Deposits : Geological Survey Circular...
by Swanson, R. W., McKelvey, V...
ISBN: 9781258675653
List Price: $20.95
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Physical Stratigraphy of the Phosphoria Formation in Northwestern Wyoming
by Sheldon, Richard Porter
ISBN: 9781235245473
List Price: $14.14
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Stratigraphic Sections of the Phosphoria Formation in Wyoming 1951 : Geological Survey Circu...
by Cheney, T. M., Sheldon, Ric...
ISBN: 9781258676650
List Price: $20.95
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Geochemistry of Uranium in Phosphorites and Black Shales of the Phosphoria Formation : Usgs ...
by Sheldon, Richard Porter
ISBN: 9781289076245
List Price: $15.75
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Physical Stratigraphy of the Phosphoria Formation in Northwestern Wyoming : Usgs Bulletin 10...
by Sheldon, Richard Porter
ISBN: 9781289091927
List Price: $18.75
8.
Reconnaissance Evaluation of Pakistan for Phosphate Rock : Usgs Open-File Report 73-260
by Sheldon, Richard Porter
ISBN: 9781289021528
List Price: $14.75
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Relation Between Specific Gravity and Iron Content of Rocks from the Red Mountain Formation,...
by Sheldon, Richard Porter
ISBN: 9780428493967
List Price: $24.41
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Relation Between Specific Gravity and Iron Content of Rocks from the Red Mountain Formation,...
by Sheldon, Richard Porter
ISBN: 9780428048266
List Price: $7.97