Manuscripts
The "Rattlesnake" in Granite Narrows. Prel. Bright Angel gauge: June 18: 107,000. June 19: 107,000
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The "Rattlesnake" in Vulcan Rapid. Preliminary Bright Angel gauge: June 19: 107,000. June 20: 100,000
Manuscripts
mssMarston papers P006/0154

The "Rattlesnake" in Hance Rapid. Prel. Bright Angel gauge: 123,800 cfs
Manuscripts
mssMarston papers P006/0097

The "Rattlesnake" in Unkar Rapid. Prel. Bright Angel gauge: 123,800 cfs
Manuscripts
mssMarston papers P006/0098

The "Cactus" heading into Vulcan Rapid. Preliminary Bright Angel gauge: June 19: 107,000. June 20: 100,000
Manuscripts
mssMarston papers P006/0151

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

Capsized "Boo Too" at lower end of Vulcan. Preliminary Bright Angel gauge: June 19: 107,000. June 20: 100,000
Manuscripts
mssMarston papers P006/0150