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Stratigraphic units of shallow unconsolidated deposits in Deadwood, South Dakota, delineated by real-time kinematic surveys, https://t.co/Sdh2NV7vf9 https://t.co/Vt6Zrm2bwH
Stratigraphic units of shallow unconsolidated deposits in Deadwood, South Dakota, delineated by real-time kinematic surveys, https://t.co/Sdh2NV7vf9 https://t.co/Vt6Zrm2bwH