© 2016 TOBACCO ROOT GEOLOGICAL SOCIETY - Butte, Montana    |    A 501(c)3 non-profit organization

Fort Union Conglomerate

We're headed to Hamilton, MT for what is shaping up to be a terrific field conference.

Spectacular geology! Meet up with new friends and old! Click for more information.

Bora Peak

We award cash scholarships each year to students working on geological projects in the Northern Rockies. Click to learn more...

We have the best donors! Learn more about how to support TRGS scholarship funds.

TRGS publishes Northwest Geology, a unique combination of field guidebook and formal academic journal. Information and requirements for contributors is found here.

TRGS welcomes geologists of all stripes. We offer top notch field trips and great networking opportunities. Student scholarships awarded each year. Becoming a member is easy.

Browse back issues of Northwest Geology and purchase TRGS field guidebooks. Complete your collection!