Were both Thompson-Lundmark Mine and Kemess Mine operated in the 1940's?
Thompson-Lundmark Mine The Thompson-Lundmark Mine was a gold producer in the periods 1941–1943 and 1947–1949, near Yellowknife, Northwest Territories. Gold was discovered here in 1938 by Fred W. Thompson and Roy Lundmark; they staked 46 claims that were incorporated into the mine. Underground and shaft work began in 1939. The mine processed 133,989 tons of ore to produce 70,339 troy ounces (2188 kg) of gold and 13,782 troy ounces (429 kg) of silver. The abandoned site was destroyed by forest fires during 1998. A detailed history is available in the link below.
Kennecott, Alaska Kennecott, also known as Kennicott and Kennecott Mines, is an abandoned mining camp in the Valdez-Cordova Census Area in the U.S. state of Alaska that was the center of activity for several copper mines. It is located beside the Kennicott Glacier, northeast of Valdez, inside Wrangell-St. Elias National Park and Preserve. The camp and mines are now a National Historic Landmark District administered by the National Park Service.