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
Strategic minerals investigations :procedure followed by the Bureau of Mines
Refine your search results
Published Year
1930-1939 (1)
Subject
Mineral industries (1) *
Mines and mineral resources (1)
Mining engineering (1)
Author
Finch, John Wellington, (1) *
