The following historic description of production of the Rocher Deboule mine is from Sutherland Brown (1960)
who completed a geological mapping and compilation of the underground workings.
The Rocher Deboule
property was located in 1910 by Sargeant and Munroe of Hazelton, BC, which was acquired, in 1911, by Rocher
Deboule Copper Company of Salt Lake City, Utah.
Development on the property was done under lease by the
Montana Continental Development Company, a company owned by the principals of RDCompany.
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Ore was mined and shipped … Read the rest