Manuscripts
Down side of Clearwater Canyon at section of Sept. 23, 1921. The survey party camped just above its mouth
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Side canyon (Hanging Valley) at head of Rapid #41 just above camp of September 23
Manuscripts
mssMarston papers V014/0158
Mouth of Clearwater Canyon at Mile 191.95. "Side Canon, Railway Survey, Colorado River, 1889"
Manuscripts
mssMarston papers V014/0129
Up to mouth of Clearwater Canyon and the cliffs above the mouth
Manuscripts
mssMarston papers V139/0075
