Vibracore Drilling
JOHN MARTIN RESERVOIR, Colo. -- Albuquerque District Geotechnical crew with Vibracore drilling lake sediments, July 15, 2021. Adam Tew, Alex Norway, Matt Segora onboard the John Martin project boat driven by Job Licano. Photo by Chris Carroll, geologist, Geotechnical Engineering Section.

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Photo by: Chris Carroll |  VIRIN: 210715-A-A1412-028.JPG