Associate Director for Geography
Barbara J. Ryan
U.S. Geological Survey
National Center, Mail Stop 102
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: 703-648-7413
Chief Scientist for Geography
K. Bruce Jones
U.S. Geological Survey
National Center, Mail Stop 516
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: (703) 648-4762
Chief of Operations
Richard L. Hogan
U.S. Geological Survey
National Center, Mail Stop 516
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: (703) 648-5531
Director, Earth Resources Observation and Science Center
Eric Clemons
U.S. Geological Survey
Earth Resources Observation and Science Center (EROS)
47914 252nd Street
Sioux Falls, SD 57198-0001
Phone: (605) 594-6123
Program Coordinator, Geographic Analysis and Monitoring
Jonathan H. Smith
U.S. Geological Survey
National Center, Mail Stop 519
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: (703) 648-4516
Associate Program Coordinator, Geographic Analysis and Monitoring
Brad Reed
U.S. Geological Survey
National Center, Mail Stop 519
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: (703) 648-4516
Program Coordinator, Land Remote Sensing
Bruce Quirk
U.S. Geological Survey
National Center, Mail Stop 517
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: (703) 648-5057
Associate Program Coordinator, Land Remote Sensing
Tom Clines
U.S. Geological Survey
National Center, Mail Stop 517
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: (703) 648-5481
Senior Advisor for Budget and Performance Management
Sue Collier
U.S. Geological Survey
National Center, Mail Stop 516
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: (703) 648-4440
Science Centers
Director, Eastern Geographic Science Center
Dave Kirtland
U.S. Geological Survey
National Center, Mail Stop 521
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: (703) 648-4712
Director, Mid-Continent Geographic Science Center
Emitt Witt
1400 Independence Road
Mail Stop 235
Rolla, MO 65401-2602
Phone: (573) 308-3679
Director, Rocky Mountain Geographic Science Center
Tom Dinardo
Denver Federal Center
Box 25046
Mail Stop 516
Denver, CO 80225-0046
Phone: (303) 202-4106
Director, Western Geography Science Center
Susan Benjamin
345 Middlefield Road
Mail Stop 531
Menlo Park, CA 94025
Phone: (650) 329-5049
Geography Science Advisors
Central Region Geography Science Advisor
Tom Owens (Acting)
Box 25046
Denver Federal Center
Mail Stop 516
Denver, CO 80225-0046
Phone: (303) 202-4071
Western Region Geography Science Advisor
Len Gaydos
345 Middlefield Road
Mail Stop 531
Menlo Park, CA 94025
Phone: (650) 329-4330
Eastern Region Geography Science Advisor
Paul M. Young
U.S. Geological Survey
National Center, Mail Stop 150
12201 Sunrise Valley Drive
Reston, Virginia 20192-0002
Phone: (703) 648-5115
U.S. Department of the Interior | U.S. Geological Survey
