Manuscripts
Bridge Canyon and Gneiss Canyon (right). The inner gorge of the Colorado River is about 800 feet deep
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Up river from rim of Inner Gorge above Gneiss Canyon showing Bridge Canyon Rapid
Manuscripts
mssMarston papers V096/0069
Up river from Gneiss Canyon. Bridge Canyon Rapid is at the beach at lower left. Irvin Butte is right of upper center
Manuscripts
mssMarston papers V096/0070
Up river in Bridge Canyon Rapid. The mouth of Bridge Canyon is at right
Manuscripts
mssMarston papers V096/0058
