The barge or scow at the shore near the sluice box used to run the sample obtained in the drilling

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  The Keystone Drilling Machine in operation on the shore

  Manuscripts

  mssMarston papers V023/0034.03

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  Shows the Keystone Drilling Machine on the barge which is manned by sweeps

  Manuscripts

  mssMarston papers V023/0034.01

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  Moving the barge used for the drilling equipment at the lower damsite near Mile 40 in Marble Canyon. The boat near shore is a 16-ft. Smithcraft. Copy of print in Rod Sanderson collection

  Manuscripts

  mssMarston papers V050/0088

• Image not available

  "Nature's Sluice Box"

  Manuscripts

  Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.

  mssMarston papers

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  The scow under construction. The scow was used during the building of the dredge. It was pulled by lines from the lower to the upper bar to carry the freight

  Manuscripts

  mssMarston papers V023/0104

• Image not available

  "Nature's Sluice Box," (by Otis Marston?)

  Manuscripts

  Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.

  mssMarston papers