skip to content
Search
Search U.S. government technical reports digitized or harvested by
TRAIL
.
Keyword Search
Enter your search term(s):
[advanced search]
2 results returned
Browse TRAIL Inventories
(opens in new tab)
Search results
A study of falls of roof and coal, Rock Springs Coal District, Sweetwater County, Wyo.
Accident experience and cost in Wyoming coal mines
Refine your search results
Published Year
1930-1939 (2) *
Subject
Mine accidents--Wyoming (2) *
Coal mines and mining--Wyoming--Safety measures (1)
Mine roof control (1)
Mine timbering (1)
Mineral industries--Wyoming--Safety measures (1)
Author
Parker, Dorsey Julian, (1)
Tomlinson, Herbert. (1)
