Glimpses of Our National Parks. An illustrated booklet of 92 pages. Address the Director, National Park Service. Washington, D. C. Free.

Recreational Map. Shows both Federal and State reservations with recreational opportunities throughout the United States. Brief descriptions of principal ones. Director, National Park Service, Washington, D. C. Free.

National Parks Portfolio. By Robert Sterling Yard. Cloth bound and illustrated with more than 300 beautiful photographs of the national parks. Superintendent of Documents, Washington, D. C. $1.50 Do not send stamps.

Fauna of the National Parks. G. M. Wright, J. S. Dixon, and B. H. Thompson. Survey of wildlife conditions in the national parks. 157 pages, illustrated. Superintendent of Documents, Washington, D. C. 20 cents.

The Secret of the Big Trees. By Ellsworth Huntington. Illustrated; 24 pages. Superintendent of Documents, Washington, D. C. 5 cents.

Forests of Yosemite, Sequoia, and General Grant National Parks. By C. L. Hill. Illustrated; 40 pages. 10 cents.

Map of Yosemite National Park. 28½ by 27 inches, scale 2 miles to the inch. U. S. Geological Survey, Washington, D. C. 25 cents.

Map of Yosemite Valley. 35 by 15½ inches, scale 2,000 feet to the inch. U. S. Geological Survey. 10 cents.

Booklets about the national parks listed below may be obtained free of charge by writing the Director, National Park Service, Washington, D. C.

Acadia National Park, Maine.

Carlsbad Caverns National Park, N. Mex.

Crater Lake National Park, Oreg.

General Grant National Park, Calif.

Glacier National Park, Mont.

Grand Canyon National Park, Ariz.

Grand Teton National Park, Wyo.

Great Smoky Mountains National Park, N. C.—Tenn.

Hawaii National Park, Hawaii.

Hot Springs National Park, Ark.

Lassen Volcanic National Park, Calif.

Mesa Verde National Park, Colo.

Mount McKinley National Park, Alaska.

Mount Rainier National Park, Wash.

Platt National Park, Okla.

Rocky Mountain National Park, Colo.

Sequoia National Park, Calif.

Wind Cave National Park, S. Dak.

Yellowstone National Park, Wyo.—Mont.—Idaho.

Zion and Bryce Canyon National Parks, Utah.