Manuscripts
The "Cactus" at the left bank at Mile 70. Preliminary Bright Angel gauge: 75,600 cfs
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The "Cactus" at the left bank at Mile 70. Preliminary Bright Angel gauge: 75,600 cfs
Manuscripts
mssMarston papers V058/0005

The "Cactus" in Mile 217 Rapid. Buzz Belknap at the controls. Preliminary Bright Angel gauge: 40,000 cfs
Manuscripts
mssMarston papers V091/0077

At the head of Mile 217 Rapid. Preliminary gauge at Bright Angel: 90,500 cfs
Manuscripts
mssMarston papers V091/0065

Fleet moored at left bank at Mile 123. Repairs are being made to the two engines of the "Bootoo." Preliminary Bright Angel gauge: 49,800 cfs
Manuscripts
mssMarston papers V074/0047

The "Cactus" in Vulcan Rapid. Preliminary Bright Angel gauge: June 19: 107,000 cfs. June 20: 100,000 cfs
Manuscripts
mssMarston papers P006/0155
