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Downstream from left bank 6 miles below Havasu Creek
One man steers a small boat while another sits on the shores of the river, canyon walls in background.
Downstream in Marble Canyon from right bank. 36.6 miles below Paria River.
A man stands on the shore of a river looking at the canyon walls
Downstream view of Marble Canyon from big cave on L. bank. 32.6 miles below Paria River. Cave 400 ft. wide, 300 ft deep, up to 80 ft high.
A rock overhang in the canyon wall over a beach on the shore of the Colorado River. A man stands on a sand bar near a small boat.
Downstream view of Marble Canyon from cave at mile 32.6.
Downstream view of Marble Canyon from cave at mile 32.6.
Dr. Gil Roberts
Gil Roberts scrubbing with soap and an audience of Nepalese children in background.
Dr. Gil Roberts extracts
"Dr. Gil Roberts extracts"
Dr. Gil Roberts shoots Dave Dingman, Barry Prather in background
Gill Roberts administers a shot to Dave Dingman, Barry Prather in background.
Dr. Gilmour - From Miss Doris Day Calgary
A waterfall
Dr. Mury's tent
A group of tentes in the woods