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gold processing — Introduction preparation of the ore for use in various products. For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… … Universalium
Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… … Wikipedia
Technological and industrial history of Canada — The technological and industrial history of Canada encompasses the country s development in the areas of transportation, communication, energy, materials, public works, public services (health care), domestic/consumer and defense technologies.… … Wikipedia
Bralorne, British Columbia — Bralorne is an historic underground gold mining community in the Bridge River District, some sixty dirt road miles west of the town of Lillooet.BackgroundGold has been the central element in the area s history going back to the 1858 1860 Fraser… … Wikipedia
Treadwell gold mine — The Treadwell gold mine was the largest mine of the Alaskan Panhandle and, in its time, the largest gold mine in the world. During its operation from 1881 to 1922 over 3 million troy ounces of gold were extracted. The mine was owned and operated… … Wikipedia

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