Contact Us

Staff photo of the Geologic Resources Division

Division Leadership:

Stephanie B. Gaswirth, Division Lead
Contact Stephanie

Jason Kenworthy, Geologic Features and Systems Branch Lead
Contact Jason

Julia Brunner, Energy and Minerals Branch Lead
Contact Julia


Mailing Address:

National Park Service

Geologic Resources Division

PO Box 25287

Denver, CO 80225-0287


Street Address:

1 Denver Federal Center

Bldg. 50 NPS/WASO/GRD

Denver, CO 80225

Last updated: January 7, 2025