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William E. Colby Memorial Library
Online Collections
In the 21st century, the Colby Library has expanded online. Our mission is to bring more great content to the library's holdings.
Sierra Club Reports
Each year, the Sierra Club issues acclaimed reports on a variety of topics aligned with our campaigns and priorities.
Historical Photo Collections
Photos by Ansel Adams, Joseph N. LeConte, Edward T. Parsons, and Cedric Wright.
Sierra Nevada Map
Sierra Club published this Map of the Central Portion of the Sierra Nevada Mountains and of the Yosemite Valley, in May 1896.