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ALERT!

GSA installed a new phone system on 30 March. If you have trouble getting through, please try sending an email. We will contact you as soon as possible. Thank you for your patience while we settle in with the technology.

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   [ contact info ]

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