UKHMUnited Keno Hill Mines (Yukon Territory, Canada)
UKHMUnited Kingdom Hall Mark (jewelry)
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The UKHM approach to land acquisition was completely different from the TYC policy.
When the fortunes of the Keno Hill Camp and UKHM reached their peak about 1960 and the Hector-Calumet mine began to show signs that it might become zinc-rich at the 1175 level, Conwest shrewdly sold its 25% interest to Falconbridge for $3,750,000 ($6.00 per share).
Although Boyle had obtained a great deal of valuable information on the geochemistry of the mineralization and host rocks, nothing was known about geochemical dispersion under permafrost conditions and how valuable it might be as an exploration tool The only previous exploration geochemistry had been a test survey performed by UKHM geologist Macleod White over the Bermingham vein in 1959.
Only three papers were ever published on underground mining practices (Hicks 1949 and 1952; UKHM staff 1961).
Including family members and those who were supported indirectly in Mayo and Whitehorse, the total number supported by UKHM was perhaps 2000 out of a Yukon population of 12,000.
UKHM missed out on over eight months of high Ag prices when it was dosed by a strike in 1980-81.
In its last years, UKHM was unable to lower production costs enough to counter the weakening Ag price.
Just before the closure, an innovative, small-scale technique was developed to mine float trains and near-surface remnants of former mines that UKHM determined could not be profitably mined using its own unionized workforce.
The decision by UKHM to close in early January 1989 was made quite suddenly and strictly on economic grounds.
In 1953, Clare White replaced Brodie Hicks as General Manager of UKHM. He was succeeded by Al Pike in 1957, Mike Stoner in 1966, George Vary in 1968, Ted Ashton in 1970, Bill Case in 1973, Doug Walli in 1974, George Dundas in 1975, Vern Smith in 1979, Tom Dickson in 1982, and later Tim Riordon, Al Hayward and Bob Corrigan.
In July 1990, Falconbridge sold its controlling 32% interest in UKHM (subject to a net smelter return) and transferred its considerable reclamation obligations to a new junior company with the impressive name of The Dominion Mineral Resources and Sterling Frontier Properties Company of Canada Limited (Dominion), headed by Stephen Powell.
After Dominion abandoned its rights, the property reverted to UKHM. Monthly overhead costs associated with environmental liabilities and maintenance of the surface facilities and underground workings soon drove UKHM into bankruptcy, and the Yukon Government inherited the assets.