Preliminary drilling by Summo Minerals (SMA-T) has confirmed the presence of zinc mineralization at the former producing Doctor mine in Gunnison Cty., Colo.Between 1900 and 1938, Doctor cranked out 75,000 tons of zinc. A subsequent report of the U.S. Geological...
You've reached your limit of free weekly articles
Keep reading The Northern Miner with a TNM NEWS+MARKETS Membership.
TNM Memberships is your key to unlocking access to the best news, insights, and data in the mining industry.
Get Started with a free 45-day Trial ** Credit card required to begin free trial. Your card will be charged 45 days from signup. You will receive an email notification seven (7) days before the free trial period ends.
Already a Member?
Sign in
Subscribe for Unlimited Access
Enjoy unlimited News Stories and Specialty Digests, along with Mining and Metal Market insights as part of your NEWS+MARKETS Membership. Or go even deeper with our Global Mining Data platform, TNM Marco Polo, included with your NEWS+DATA Membership.
Explore Full Membership Benefits