Manuscripts
Doris Fletcher and Dotty Williams. Both were in the Mexican Hat Expedition party in Grand Canyon in 1957, July
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Doris Fletcher and Dotty Williams. Members of MHE party of July 1957
Manuscripts
mssMarston papers P006/0203
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Mexican Hat Expedition, Grand Canyon Traverse
Manuscripts
Professional and personal papers of Otis R. Marston and his collection of the materials on the history of Colorado River and Green River regions.
mssMarston papers
Gay Staveley's "Mexican Hat Expeditions" party in the lower part of the Grand Canyon
Manuscripts
mssMarston papers V188/0059
