[Photocopies of various materials pertaining to Grand Canyon National Park vegetation, especially Powell, Rainbow and Walhalla Plateaus from various sources.].

Grand Canyon National Park. Museum Collection.

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Euler, Robert C.

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Robert C. Euler was born on August 8, 1924 in New York, New York. Euler studied economics at Arizona State College (now Northern Arizona University) and received his bachelor's and master's degrees in 1947 and 1948 respectively. He received his Ph.D. from the University of New Mexico in Anthropology in 1958. Prior to completing his education, Euler served in the Marine Corps from 1942-1946 and 1950. During his service, he was wounded in the shoulder at Iwo Jima. He was e...

Covington, W. Wallace

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Jones, Anne Trinkle

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Effland, Richard Wayne

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United States National Herbarium.

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Wagner, Claude 19..-.... professeur

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Moore, Margaret May

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MacDougal, Daniel Trembly, 1865-1958

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Daniel Trembly MacDougal (1865-1958) was the leading American authority on desert ecology and one of the earliest botanists to research chlorophyll. He was the inventor of the MacDougall dendrograph, used to record changes in the volume of tree trunks. He began his association with the New York Botanical Garden (NYBG) in 1899 as Director of the Laboratories. In 1904 he was named as Assistant Director. In 1905 the Plant Desert Laboratory was established and MacDougal became its first director. Wh...

Fulé, Peter Z.

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Heinlein, Thomas A.

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