Manuscripts
Gneiss Canyon Rapid when the flow had been cut to 1,000 cfs. at Glen Canyon Dam
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Across the head of the second drop in Gneiss Canyon Rapid after the flow through Glen Canyon Dam had been reduced to 1,000 cfs
Manuscripts
mssMarston papers V096/0092

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

Down river from mooring of the two Belknap boats when the flow through Glen Canyon Dam had been cut to 1,000 cfs
Manuscripts
mssMarston papers V096/0129

Mouth of Tapeats Creek. The flow had been cut at Glen Canyon Dam
Manuscripts
mssMarston papers V076/0193

