skip to content
Search
Search U.S. government technical reports digitized or harvested by
TRAIL
.
Keyword Search
Enter your search term(s):
[advanced search]
1 result returned
Browse TRAIL Inventories
(opens in new tab)
Search results
Multiple zone mining plus beneficiation of western phosphate rock :a cost estimate and comparison with selective mining
Refine your search results
Published Year
1970-1979 (1) *
Subject
Ore-dressing--Costs (1)
Phosphate mines and mining--Costs (1)
Author
Spencer, Richard N. (1) *
