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
Horizontal boring technology :a state-of-the-art study,
Refine your search results
Published Year
1960-1969 (1) *
Subject
Boring (1)
Underground electric lines (1)
Author
Bruce, William E., (1) *
Morrell, Roger J., (1)
Paone, James. (1)
