Working the Indian Field Days: The Economy of Authenticity and the Question of Agency in Yosemite Valley Boyd Cothran The American Indian Quarterly, Volume 34, Number 2, Spring 2010, pp. 194-223 (Article) Published by University of Nebraska Press DOI: For additional information about this article Access provided at 4 Jan 2020 18:33 GMT from University of Toledo https://doi.org/10.1353/aiq.0.0100 https://muse.jhu.edu/article/377364