Drilling and blasting at Velva open-cut mine, blasts
| dc.contributor.author | Williams, M. L. | |
| dc.date | 1945-01-18 | |
| dc.date.accessioned | 2007-01-03T06:00:29Z | |
| dc.date.accessioned | 2022-02-03T09:22:24Z | |
| dc.date.available | 2007-01-03T06:00:29Z | |
| dc.date.available | 2022-02-03T09:22:24Z | |
| dc.identifier | libimagesU366 | |
| dc.identifier.uri | http://hdl.handle.net/11124/9723 | |
| dc.description | Date scanned: 2002-05-17. | |
| dc.description | USBM #58573; Drilling and blasting operations at Velva open-cut mine. Blast holes are 9 feet deep on 10-foot centers in two rows of 5 each. Each hole charged with 5 pounds of free-running #2 bag powder and 1 stick of 40% extra dynamite. Holes were not tamped. Electric blasting is employed. Truax-Traer Coal Company, Velva Mine, Velva, North Dakota. (1/18/45 - M.L. Williams). | |
| dc.description | Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines. | |
| dc.description | Donor: United States Bureau of Mines. | |
| dc.description.abstract | Blasts are shown at the Velva Mine. The Velva Mine was an open cut (open pit) coal mine near Velva, North Dakota. The Mine was operated by Truax-Traer Coal Company. Truax-Traer operated a number of coal mines using strip mining techniques in North Dakota and other states. The Company was purchased by Consolidation Coal Company in 1962. | |
| dc.publisher | Colorado School of Mines. Arthur Lakes Library | |
| dc.rights | Rights management statement available at: http://library.mines.edu/digital/rights.html | |
| dc.subject | Truax-Traer Coal Company | |
| dc.subject | Blasting | |
| dc.subject | Coal mines and mining | |
| dc.subject | Open pit mining | |
| dc.subject | Scenes, snow | |
| dc.title | Drilling and blasting at Velva open-cut mine, blasts | |
| dc.type | StillImage | |
| dc.contributor.institution | Arthur Lakes Library | |
| dc.contributor.institution | Russell L. and Lyn Wood Mining History Archive | |
| dc.contributor.institution | United States. Bureau of Mines |
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