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
Analyses of Colorado coals
Published Year
1930-1939 (1)
Subject
Coal--Analysis (1) *
Coal--Colorado (1)
Author
Cooper, H.M. (1)
Denny, E.H. (1)
Fieldner, A.C. (1)
George, R. D. (1)
Snyder, N.H. (1) *
Young, W. H. (1) *