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• Organization: Department of the Interior
• Updated: 20220721 | Harvested: July 16, 2025 at 10:23 AM

Mineral abundances within bulk and size-fractionated mine waste from sampled historical waste piles from the Tar Creek Superfund Site, Oklahoma, U.S.A., were determined by Mineral Liberation...

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• Organization: Department of the Interior
• Updated: 20220411 | Harvested: July 16, 2025 at 10:34 AM

This study evaluated carbonaceous shales proximal to coal measures and coal samples via isothermal hydrous pyrolysis (HP) to compare differences in the maturation pathways of vitrinite in...

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• Organization: Department of the Interior
• Updated: 20230110 | Harvested: July 16, 2025 at 10:02 AM

Electron microprobe analyses of sphalerite (ZnS) were collected on samples from current or past mining operations in the USA with a specific focus on germanium (Ge), a byproduct critical mineral...

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• Organization: Department of Homeland Security
• Updated: 2023-06-07T11:47:43-04:00 | Harvested: June 25, 2025 at 11:17 PM

Quarterly collection of Mission Essential Contract (MEC) for Major Acquisition Oversight List (MAOL) programs. It includes contracts, other tranactions (OT) and interagency agreements (IAA)/