skip to content
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
Mine signboards
Published Year
1910-1919 (1)
Subject
Coal mines and mining--Safety measures (1) *
Signs and signboards (1)
Author
Higgins, Edwin. (1)
Steidle, Edward, (1) *