Manuscripts
Up from Mile 202.20 left bank at head of Rapid 23. Photo is captioned: Looking up stream "10" Rapid Canyon (Sept. 18) N. 20 degrees E
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Head of Rapid 23 at Mile 202.20. Rapid 23 heads at Mile 202.20 and drops 8 ft. in .15 miles
Manuscripts
mssMarston papers V012/0215

One of the Brown-Stanton boats at the head of Rapid No. 23 in Cataract Canyon, Mile 202.20
Manuscripts
mssMarston papers V012/0186

Rapid No. 23, Chenoweth-Hoyt table. The head is at Mile 202.20 and the drop is 9 ft. in 0.15 miles
Manuscripts
mssMarston papers V012/0231

![One of the Brown-Stanton Expedition boats at the head of Rapid No. 23 in Cataract CAnyon. Mile 202.20. Caption reads: No. 54. Railway Survey, Colorado River. 1889, Sta.[erased] UP](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4IFXYIM%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
