Progress report on investigations of western phosphate deposits / by R.W. Swanson, V.E. McKelvey, and R.P. Sheldon.

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Online Access: Online Access
Main Authors: Swanson, Roger Warren, 1914- (Author), McKelvey, V. E. (Vincent Ellis), 1916- (Author), Sheldon, Richard Porter, 1923- (Author)
Format: Government Document eBook
Language:English
Published: Washington, D.C. : United States Department of the Interior, Geological Survey, 1953.
Series:Geological Survey circular ; 297.
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Call Number: I 19.4/2:297
I 19.4/2:297 Available