13
"Mirton Bean extols the virtues of the copper mining prospects of Rock Lake. 'Now if some of the other mines in the vicinity had the Mond Nickel push in them, they would have made good at Rock Lake, which I know will make a good mine someday, but never by building white houses with glass verandas and such like. You must get a mine first and the ore blocked out. Then you can go ahead and build, and let the mines pay for its building'."-The Bruce Mines Spectator, 06 May 1920
14
"The mine was not a major producer and is chiefly of historical interest as a prominent example of inadequate development prior to commencement of mining.""…After limited exploration and development, a 13-mile railway was built from Bruce Mines and a mill and tramway constructed at the site. After four years, the Rock Lake mine closed in 1903 because of economic losses."
-Collins, Geological Survey of Canada, 1925
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