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Letter From François E. Matthes to Carl Hayden

ContributorsMathes, François E. (Author)
Created1926-05-15
Description

Letter from François E. Mathes to Carl T. Hayden about maps of the Grand Canyon.

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Bridge and Marble Canyon Dams [Proposed] and Their Relationship to Grand Canyon National Park and Monument

ContributorsU.S. Dept. of the Interior (Publisher)
Created1964-09-26
Description

A pamphlet on Bridge and Marble Canyon Dams and their relationship to Grand Canyon Natinal Park and Monument.