Manuscripts
Mac Terrell and Bill Mooz hiking down Prospect Valley to the rim prior to starting a float down Grand Canyon to Lake Mead. Vulcan's Throne is to the left of Terrell's head
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Starting point for drop to Vulcan Rapid from west of small cone at foot of Prospect Valley. Vulcan's Throne is upper left
Manuscripts
mssMarston papers V087/0025

Rapid at Mile 212.15 showing Mac Terrell in the lead and Jorgen Visbak following and photographing Terrell
Manuscripts
mssMarston papers V090/0048

Bill and Mac floating down toward Travertine Canyon from near Mile 227
Manuscripts
mssMarston papers V094/0022


