Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
67 results returnedSearch results
- Carbonizing properties and petrographic composition of Upper Freeport coal from Morgantown District, Monongalia County, W. Va. :and of Lower Freeport coal from eastern Indiana County, near Cambria County, Pa.
- Bibliography of Bureau of Mines investigations of coal and its products :1935 to 1940
- Analyses of Illinois coals.
- Bureau of Mines research on the hydrogenation and liquefaction of coal and lignite
- Analyses of Virginia coals.
- Bibliography of Bureau of Mines investigations on the production of liquid fuels from oil shale, coal, lignite, and natural gas
- Annual report of research and technologic work on coal :fiscal year 1944
- Analyses of Tennessee coals (including Georgia).
- Annual report of research and technologic work on coal :fiscal year 1945
- Coal-research activities of the Bureau of Mines
- Bibliography of Bureau of Mines investigations of coal and its products,1940 to 1945
- Annual report of research and technologic work on coal :fiscal year 1947
- Annual report of research and technologic work on coal :fiscal year 1948
- Coal for coke production
- Achievements in mine safety research and problems yet to be solved
- Annual report of research and technologic work on coal :fiscal year 1949
- Annual report of research and technologic work on coal :fiscal year 1950