Manuscripts
Vulcan Rapid and up Grand Canyon from 1/4 of the way down to the river
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Down the Grand Canyon from overlook at Toroweap to Prospect Canyon and Vulcan Rapid
Manuscripts
mssMarston papers V083/0082

Down to mouth of Prospect Canyon from trail out from Vulcan Rapid
Manuscripts
mssMarston papers V086/0112

Down Grand Canyon below the rim to Vulcan Rapid from Mile 177 1/2
Manuscripts
mssMarston papers V083/0007


