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7 results returnedHydrogenation and petrography of some low-rank coals from the western United States
Petrographic methods and their application to the examination of nonmetallic materials
Physical properties of mine rock.
Physical properties of mine rock.
Physical properties of mine rock.
Physical properties of mine rock, Part IV :including indexes to Parts I, II, III, and IV
Petrographic and flotation studies on the Meade Peak, Idaho, phosphate samples
Published Year
Subject
- Petrology (7) *
- Rocks--Analysis (4)
- Coal (1)
- Flotation (1)
- Hydrogenation (1)
- Nonmetallic materials (1)
- Ore-dressing (1)
- Phosphates--Idaho (1)
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