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
Carbide insert bit drilling at the Cleveland-Cliffs Iron Co. mines, Ishpeming, Mich.
Refine your search results
Published Year
1950-1959 (1) *
Subject
Carbide cutting tools (1) *
Drilling and boring machinery (1)
Iron mines and mining--Michigan (1)
Author
Lewis, Walter E. (1)
