#2: The "Up Colorado" running upstream above Bridge Canyon [on photo reverse: Superimpose partially, #2 over #1]

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  [#3] The "Up Colorado" running downstream at a point a few miles above Bridge Canyon. Harry Aleson at the controls [on photo reverse: In area of photos #1 and #2]

  Manuscripts

  mssMarston papers V095/0087

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  #1: The "Up Colorado" running upstream a mile or two above Bridge Canyon (?) Crew: Al Ross, Engr, USBR; Les Pampel, Engr, USBR; Harry Aleson, pilot. Photo #2 is a short distance upstream from this photo

  Manuscripts

  mssMarston papers V095/0086

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  Up to mouth of San Juan. RB-MV Expedition [on photo reverse: upstream view on Colorado just below jct. San Juan]

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  Harry Aleson at the controls of the "Up Colorado" running downstream a few miles above Bridge Canyon to the drill camp at Bridge Canyon. Afternoon light

  Manuscripts

  mssMarston papers V151/0038

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  Harry Aleson at the controls of the "Up Colorado" running upstream a few miles above Bridge Canyon. The motor is a 22 1/2 HP Evinrude. Al Ross was also in the party [his shoulder at left]. Afternoon shadows

  Manuscripts

  mssMarston papers V151/0039

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  Downriver to 234 Mile Rapid [on photo reverse: Near Mi 231 1/2]

  Manuscripts

  mssMarston papers V095/0064