Tara Chesley-Preston

GIS Specialist


2327 University Way, Suite 2
Bozeman, MT 59715

Phone 406-994-7158
Fax 406-994-6556

M.S. Earth Science (Snow Sciences). 2010. Montana State University, Bozeman

B.A. Geology. 2005. University of Colorado, Boulder


  • GIS applications
  • Spatial Analysis
  • Mapping
  • Database Management
  • Snow and Climate/Weather Relationships

Research Interests:
I am particularly interested in ways to use spatial analysis and GIS applications to assist and broaden scientific studies.

Current Research Projects:

  • STEPPE and other projects relating to environmental impacts from oil and gas development
  • Red Rock Lakes Geologic Map


Preston TM, Chesley-Preston TL, Risk assessment of brine contamination to aquatic resources from energy development in glacial drift deposits: Williston Basin, USA, Sci Total Environ (2014)

Pierce, K.L., Chesley-Preston, T.L., and Sojda, R.S., 2014, Surficial geologic map of the Red Rock Lakes area, southwest Montana: U.S. Geological Survey Open-File Report 2014–1157, 22 p., scale 1:24,000.

Preston T.M., et al. 2013. A GIS-based vulnerability assessment of brine contamination to aquatic resources from oil and gas development in eastern Sheridan County, Montana. Sci Total Environ. DOI:10.1016.213.09.027

Gleason, R.A., Thamke, J.N., Smith, B.D., Tangen, B.A., Chesley-Preston, T., Preston, T.M., 2011, Examination of brine contamination risk to aquatic resources from petroleum development in the Williston Basin: U.S. Geological Survey Fact Sheet 2011-3047, 4 p.