by James Bachelder Cathcart
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Phosphate-rock resources of the United S...
A summary of phosphate-rock resources of...
Economic geology of the Fort Meade quadr...
Uranium in phosphate rock
Middle Paleozoic sedimentary phosphate i...
Economic geology of the Chicora Quadrang...
Phosphate Metabolism
Géologie des phosphates sédimentaires
Homeostasis of phosphate and other miner...
Mineral resources of Canada
Homeostasis of Phosphate and Other Miner...
Phosphorites on the sea floor