Manuscripts
The sadirons of the Mexican Hat Expeditions at approximately Mile 63. Preliminary gauge: 13,300 cfs
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Mexican Hat Expedition lining Vulcan Rapid. Approximate gauge: 7,800 cfs
Manuscripts
mssMarston papers P006/0592
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Mexican Hat Expeditions - Sadiron Skiff Operation
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

One of the Mexican Hat Expedition sadirons in Horn Creek Rapid
Manuscripts
mssMarston papers V066/0064

The three sadirons of the Mexican Hat Expeditions. Foot of Vulcan Rapid
Manuscripts
mssMarston papers V085/0134

One of the Mexican Hat Expedition sadirons in Horn Creek. Bright Angel gauge: July 19: 19,700 cfs. July 20: 18,500 cfs. July 21: 17,400 crfs
Manuscripts
mssMarston papers P005/0231

John Harper in the sadiron "Mexican Hat III." Top of Horn Creek Rapid. Bright Angel gauge: 8,750 cfs
Manuscripts
mssMarston papers V066/0072