DAVIS, Robert E.
Magnesium resources of the United States : a geologic summary and annotated bibliography to 1953 / by Robert E. Davis. -- Washington : United States Government Printing Office, 1957 - P. 373-515. -- (Geological Survey Bulletin ; 1019-E).
Estados Unidos
Yacimientos de magnesio
553.67(73)
Magnesium resources of the United States : a geologic summary and annotated bibliography to 1953 / by Robert E. Davis. -- Washington : United States Government Printing Office, 1957 - P. 373-515. -- (Geological Survey Bulletin ; 1019-E).
Estados Unidos
Yacimientos de magnesio
553.67(73)