Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
WYOMING COAL AND COKE COMPANY
WYOMING COAL AND COKE COMPANY. Organized in Dubuque, the company was started by George M. Nix who had prospected for coal in Wyoming for two years and held extensive claims. The investors agreed to make an assessment needed to wipe out any current debt and to instruct a Mr. Wilson of Webster City, a company officer, to work quickly to get mining started. (1)
The company listed the Rock Springs mine found in the Green River Basin District as inactive in 2017. (2)
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Source:
1. "Wyoming Coal Company," Dubuque Daily Herald, December 31, 1892, p. 4.
2. Wyoming State Geological Survey. Online: https://www.wsgs.wyo.gov/energy/coal-maps-projects.aspx