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Federal
Coking coal of the United States: Modern and historical locations of coking coal mining locations and chemical, rheological, petrographic, and other data from modern samples
Department of the Interior —
For the open-file report we collected new coking coal samples from Alabama, Kentucky, Oklahoma and Arkansas and analyzed them for proximate and ultimate analyses;... -
Federal
Micro-Raman spectroscopy parameters investigating biochar's carbon stability and structural development in comparison to fusinite and semifusinite
Department of the Interior —
Semifusinite and fusinite macerals are formed through carbonization of plant material in naturally occurring wildfires. Both macerals, belonging to the inertinite...