Which opened first, the Ptarmigan and Tom Mine or the Colomac Mine?
Ptarmigan and Tom Mine: The Ptarmigan and Tom Mine were gold producers located in the Northwest Territories, Canada at Yellowknife. Ptarmigan and Tom Mine:  The mine first produced between 1941 and 1942 but closed due to wartime restrictions. Colomac Mine:  The Colomac mine operated between 1990–1992, and 1994–1997.
The Ptarmigan and Tom Mine