Pilgrims of the vertical Yosemite rock climbers and nature at risk - Taylor, Joseph E.; American Council of Learned Societies (Cambridge, Mass. : Harvard University Press, 2010)
Includes bibliographical references and index.
Electronic text and image data.
Keywords: Rock climbing -- California -- Yosemite Valley; Mountaineering -- California -- Yosemite Valley; Rock climbing -- Environmental aspects -- California -- Yosemite Val ley; Mountaineering -- Environmental aspects -- California -- Yosemite Va lley