Manuscripts
Down from lower end of Rapid No. 22 at Mile 202.30 to head of Rapid No. 23 at Mile 202.20. Taken from the river. The side canyon at lower right is Mile 202.0
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Down from the foot of Rapid No. 22 at Mile 202.30 to head of No. 23 which is Mile 202.20. Taken from the river
Manuscripts
mssMarston papers V012/0170
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
