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Stephen Keller

Geologist

Stephen Keller

Stephen Keller

Geologist

Mineral Resources and Geologic Mapping

Specialities

Minerals, Economic Geology, Mapping, Environmental

Keller, S.M., Lindsey, K.O., and Morgan, M.L., 2017, Geologic Map of the Berthoud quadrangle, Larimer, Weld, and Boulder Counties, Colorado: Colorado Geological Survey Open-file Report 17-03, scale 1:24,000.

Keller, S.M., and Morgan, M.L., 2016, New Paleocurrent Measurements, Clast Population Data, and Age Dates in the Late Eocene Castle Rock Conglomerate, East-central Colorado: Remapping the Fluvial System, and Implications for History of the Colorado Piedmont and Front Range: Colorado Geological Survey, Open File Report 16-01.