Manuscripts
From Spanish Bottom across the river to the upthrust of the Paradox Formation at the mouth of Butler Canyon. Prommel's inscription near the trail is May 13, 1926
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Across the Colorado River to Butler Canyon from top of trail out of Spanish Bottom. Prommel's inscription near the trail is 1926, May 13
Manuscripts
mssMarston papers V006/0057
Across Spanish Bottom and the Colorado River from the trail from the rim down to Spanish Bottom
Manuscripts
mssMarston papers V006/0065
