|AHC||American Heritage Center, Laramie WY|
|ANS||Academy of Natural Sciences, Philadelphia|
|APS||American Philosophical Society, Philadelphia|
|CPS||College of Physicians and Surgeons, Philadelphia|
|C.PL||Committee on Public Lands|
|DAB||Dictionary of American Biography, ed. Allen Johnson ( New York: Scribner's, 1956)|
|LC||Library of Congress, Washington DC|
|NA||National Archives, Washington DC|
|NYPL||New York Public Library, New York City|
|OCA||Oberlin College Archives, Oberlin OH|
|SIA||Smithsonian Institution Archives, Washington DC|
|USGS||United States Geological Survey, Denver|
|YRL||Yellowstone Research Library, Mammoth Hot Springs WY|
Questia, a part of Gale, Cengage Learning. www.questia.com
Publication information: Book title: Yellowstone and the Great West:Journals, Letters, and Images from the 1871 Hayden Expedition. Contributors: Marlene Deahl Merrill - Editor. Publisher: University of Nebraska Press. Place of publication: Lincoln, NE. Publication year: 1999. Page number: 212.
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