Manuscripts
Scorpion Ridge, near Mile 101
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Sapphire Canyon; Scorpion Ridge; Sagittarius Ridge. Sapphire Canyon enters the Colorado River at Mile 101 1/4
Manuscripts
mssMarston papers V069/0145

Down to Tuna Rapid from about Mile 98.8, Scorpion Ridge is at top right
Manuscripts
mssMarston papers V070/0006



