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#1 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
- Organization: Department of the Interior
- Dataset Last Updated: September 30, 2020 at 12:00 AM
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; calorific value; sulfur forms;...
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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:01 AM
#2 Federal
Micro-Raman spectroscopy parameters investigating biochar's carbon stability and structural development in comparison to fusinite and semifusinite
- Organization: Department of the Interior
- Dataset Last Updated: January 14, 2026 at 12:00 AM
Semifusinite and fusinite macerals are formed through carbonization of plant material in naturally occurring wildfires. Both macerals, belonging to the inertinite maceral group, are carbon-rich...
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- XML
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:19 AM

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