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The National Cooperative Geologic Mapping Program (NCGMP) is the primary source of funds for the production of geologic maps in the United States and provides accurate geologic maps and three-dimensional framework models that help to sustain and improve the quality of life and economic vitality of the Nation and to mitigate natural hazards.

Employee Directory

Job Title Name Email Phone
Physical Scientist David Ahumada dahumada@usgs.gov
Management Analyst Jeanne Bruins jbruins@usgs.gov 571-299-9451
Physical Scientist Daniel J Colwell dcolwell@usgs.gov 571-512-2209
Physical Scientist Brianna R Lopez Hetland blopezhetland@usgs.gov 571-342-7026
Administrative Program Manager Michael Marketti mmarketti@usgs.gov 703-328-3102
Deputy Program Coordinator and Senior Program Scientist for STATEMAP Jenna L Shelton, Ph.D. jlshelton@usgs.gov 571-512-1641
Geologist - NGMDB Project Chief David Soller, Ph.D. drsoller@usgs.gov 703-648-6907
Program Coordinator Christopher S Swezey, Ph.D. cswezey@usgs.gov 703-648-6444
Budget Analyst Markeshia D Watson mwatson@usgs.gov 225-615-6305
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