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
The design of small wooden head frames
Refine your search results
Published Year
1930-1939 (1)
Subject
Mining engineering (1)
Prospecting (1) *
Author
Staley, W. W. (1) *
