Happy Holidays!

Please expect slower response times and shipping delays during the next two weeks. Wishing you a warm, bright holiday season and a safe, healthy new year!

Contact Us


One-stop shopping for all your GSA needs.

Reach Us:

GSA Headquarters:

Mailing Address:
The Geological Society of America
P.O. Box 9140
Boulder, CO 80301-9140
[ map & directions ]

Packages Only:
The Geological Society of America
3300 Penrose Place
Boulder, CO 80301-1806

Phone: +1-303-357-1000
FAX: +1-303-357-1070

Washington Office:

Kasey White
Director for Geoscience Policy  

Mailing Address:
Geological Society of America
1200 New York Avenue NW, Suite 400
Washington, DC 20005
[ map & directions ]