Carbonizing properties of American coals: index of coals tested by the bureau of mines
Autor Brow, R. L. Vydáno: 1954
Kniha
Barrier pillars in Lackawanna basin, northern field : Anthracite region of Pennsylvania
Autor Ash, S. H. Vydáno: 1952
Kniha
Bibliography of bureau of mines investigations of coal and its products : 1945 to 1950
Autor Carman, E. P. Vydáno: 1954
Kniha
Carbonizing properties: : Chilton coal from Lorado No.5 Mine Lorado, Logan County, W.Va.
Autor Davis, J. D. Vydáno: 1951
Kniha
Barrier pillars in the Western Middle field : Anthracite region of Pennsylvania
Autor Ash, S. H. Vydáno: 1953
Kniha
The bureau of mines routine method for the analysis of crude petroleum.
Autor Smith, N.A.C. Vydáno: 1951
Kniha
Inundated anthracite reserves : Eastern Middle fields of Pennsylvania
Autor Ash, S. H. Vydáno: 1950
Kniha