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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) *