Wilberg Mine

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The Wilberg Mine (also known as the Cottonwood/Wilberg Mine; MSHA ID No. 42-00080) is a coal mine in Emery County, Utah, approximately 12 miles northwest Orangeville, just north off State Route 29, at the northern terminus of State Route 57. The mine is operated by the Energy West Mining Company (out of Huntington) and owned by PacifiCorp Power Supply (a division of power utility company PacifiCorp).

Most of the coal is shipped by truck to Rocky Mountain Power's (a division of PacifiCorp) electric generation Hunter Power Plant, located south of the town of Castle Dale.

1 Location
2 History
3 1984 disaster
- 3.1 Lives lost
4 References
5 External links

[edit] Location

The Wilberg Mine is located at 39°19′16″N, 111°07′23″W (39.321078°, -111.122948°)^[1] with its entrance at an elevation of 7,602 feet (2,317 m).

[edit] History

The mine was started by Cyrus Wilberg in September of 1949. In October of 1968, the mining rights were bought by Peabody Coal Company, who idled the mine except for limited exploratory mining until March of 1974, when energy prices saw a sharp rise. Utah Power & Light (UP&L) (now operated as Rocky Mountain Power a division of PacifiCorp) purchased the rights to the mine on April 18, 1977, and then contracted out operating the mine to American Coal Company. In June of 1979 Emery Mining Corporation (EMC) took over operations.

In December of 1984 the mine employed 326 miners, and 290 of those were working underground on three shifts-a-day, five days a week. Production averaged 11,000 tons of coal per day.

After the fire, in 1985, the mine was divided into two separate mines. The mine workings on the west side of the fire seals became the Cottonwood Mine (MSHA ID No. 42-01944).

UP&L took over operating the mine, forming UP&L Mining Division, on April 29, 1986, retaining most of the EMC employees.

[edit] 1984 disaster

It is most notable for the fire on 19 December 1984 which claimed 27 lives: 18 miners and 9 company officials. The disaster was the worst coal mine fire in Utah history. The escape route of the 27 persons was cut off when the fire quickly engulfed the intake of the 5th Right longwall.

The fire was caused by a faulty air compressor, which was allowed to run unattended in an area that was not fire-proofed.^[2]^{[citation needed]} In his article, "Remembering the Wilberg Mine disaster" in The Salt Lake Tribune, Mike Gorrell says: "MSHA concluded an air compressor with two defective safety devices started the fire, a theory rejected by Emery Mining and the union."^[3]