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
An evaluation of the western phosphate industry and its resources (in five parts).
Refine your search results
Published Year
1960-1969 (1)
Subject
Phosphate mines and mining--Montana (1)
Phosphate rock--Montana (1) *
Author
Popoff, Constantine C. (1)
Service, Alfred L. (1) *
