Manuscripts
Up the canyon from the lava cap opposite the mouth of Spencer Canyon. The flow into the lake had been cut by Glen Canyon Dam
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Mouth of Tapeats Creek. The flow had been cut at Glen Canyon Dam
Manuscripts
mssMarston papers V076/0193

Down the upper end of Lake Mead in the Grand Canyon from the lava cap opposite the mouth of Spencer Canyon
Manuscripts
mssMarston papers V098/0123

Gneiss Canyon Rapid when the flow had been cut to 1,000 cfs. at Glen Canyon Dam
Manuscripts
mssMarston papers V096/0097

Belknap Turbocraft cruising up the canyon at Bridge Canyon Damsite when flow through Glen Canyon Dam had been cut to 1,000 cfs
Manuscripts
mssMarston papers V096/0149

Mouth of Spencer Creek at top left and view down Lake Mead from top of lava cap
Manuscripts
mssMarston papers V098/0120
