NATIONAL PARK SERVICE Forests of Yosemite, Sequoia, and General Grant National Parks

Remittances for these publications should be by money order, payable to the Superintendent of Documents, Government Printing Office, Washington, D. C., or in cash. Checks and postage stamps can not be accepted.

Sketch of Yosemite National Park and an Account of the Origin of Yosemite and Hetch Hetchy Valleys, by F. E. Matthes. 1920. 48 pages, including 24 illustrations. 10 cents.

Contains a description of the general features of the Sierra Nevada and the Yosemite National Park and an account of the origin of the Yosemite and Hetch Hetchy Valleys.

The Secret of the Big Trees, Yosemite, Sequoia, and General Grant National Parks, by Ellsworth Huntington. 1913. 24 pages, including 14 illustrations. 5 cents.

Contains an account of one climatic changes that are indicated by the thickness of the growth rings in the big trees, and gives a comparative statement of the climatic conditions in California and Asia during a period of 3,400 years.

Panoramic view of Yosemite National Park, 18-1/2 x 18 inches, scale 3 miles to the inch. 25 cents.