Contact Us

Staff photo of the Geologic Resources Division

General Information
Charity Brennan, Management Support Specialist
303-969-2090
Contact Charity

Division Chief (Vacant)

Harold (Hal) Pranger, Geologic Features and Systems Branch Chief
Contact Hal

Energy and Minerals Branch Chief (Vacant)

Mailing Address:

National Park Service

Geologic Resources Division

PO Box 25287

Denver, CO 80225-0287


Shipping Address:

National Park Service

Geologic Resources Division

12795 West Alameda Parkway

Lakewood, CO 80228

Last updated: February 6, 2020