The Lexington is December's featured head frame. The mine operated from 1876 to the mid-1950s and the main shaft was 3,258 feet deep.
Head Frames calendars are available at Books and Books, the Chamber of Commerce, and Second Edition Books-- all local stores in Butte, Montana. The calendars also are available on line at https://twpattphotos.com/headframescalendar.
Let me know if you would like a 2020 Head Frames Calendar and I will reserve one for you!