Title | Date | Type | Setname | ||
---|---|---|---|---|---|
1 |
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Allaying of coal dust by water infusion of coal in place in the leading coal producing countries of the world | 1955-05 | Text | ir_etd |
2 |
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Oral history interview with Helen Grace Shelby Hunsaker by Molly Ladd and Marcia Kelleher | 2009-04-22; 2009-04-24 | Text; Sound | dha_uhsoh |