$40.00 CAD
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RPPC photo postcard of the mining city of Cobalt in Northern Ontario during its Silver Rush years.
View of an early silver‑cobalt mining complex in the Cobalt Mining Camp. Image shows a tall timber headframe, boiler house with dual smokestacks, surface plant buildings, waste rock piles, and horse‑drawn wagons in the foreground. The printed caption “City of Cobalt Mine, Cobalt, Ont.” reflects a generic publisher’s designation rather than an official mine name. Possibly McKinley‑Darragh Mine ca. 1906–1909.
On back ‘PHOTO BY McLEAN , HAILEYBURY, ONT’ J. W. (John William) McLean, one of the earliest and most active photographers in the Temiskaming / Cobalt / Haileybury region during the silver boom (1905–1915).
'AZO' photographic paper dates it to 1908-1911.
The Cobalt Silver Boom (1903–1911)
The camp emerged after the 1903 discovery of native silver by McKinley and Darragh near Long (Cobalt) Lake. By 1908, Cobalt was the world’s largest producer of silver, and cobalt was recovered as a by‑product. At its peak, the district supported 100 operating mines and 18 mills, producing 31.5 million ounces of silver in 1911.