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    Drilling for data: Tulsa District takes rock core samples from Keystone Dam stilling basin [Image 2 of 4]

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    Drilling for data: Tulsa District takes rock core samples from Keystone Dam stilling basin

    OKLAHOMA, UNITED STATES

    12.17.2025

    Photo by Brannen Parrish 

    U.S. Army Corps of Engineers, Tulsa District

    Mickey Dial (left), contractor, Stantec, and Morgan Domingue (right), geotechnical engineer, U.S. Army Corps of Engineers, Tulsa District, measure, inspect and log a rock core sample taken from the stilling basin below Keystone Dam in Sand Springs, Okla., Nov. 17, 2025. Rock core samples provide USACE engineers with data about the composition of soils beneath the earth's surface and aid in construction design and planning.

    IMAGE INFO

    Date Taken: 12.17.2025
    Date Posted: 12.31.2025 15:02
    Photo ID: 9465938
    VIRIN: 251217-A-PO406-7305
    Resolution: 6387x4258
    Size: 6.08 MB
    Location: OKLAHOMA, US

    Web Views: 4
    Downloads: 1

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