U.S. Bureau of Mines Research on Fertilizer Minerals.
Cento Symp on Min and Benefic of Fertilizer Miner Istanbul Turkey 11/19-24/73 Pp 90-128 :90-128
Research on beneficiating and processing fertilizer minerals is an integral part of the metallurgy program of the Bureau of Mines. The objective is to improve processing technology, prevent waste, and eliminate environmental degradation.
Cento Symp. on Min. and Benefic. of Fertilizer Miner., Istanbul, Turkey, 11/19-24/73, Pp 90-128