DEVELOPMENT OF THE NATIONAL PAEKS. 37 



Some lakes of Glacier National Park, by M. J. Elrod. 1912. 32 pages, in 

 cluding 19 illustrations. 10 cents. 



Contains a description of some of the principal lakes, with special reference to the 

 possibility of stocking the lakes with fish. 



Glacier National Park A popular guide to its geology and scenery, by M. R. 

 Campbell (Bulletin 600, U. S. Geological Survey). 1914. 54 pages, 13 plates, 

 including map. 30 cents. 



Geological history of Crater Lake, by J. S. Diller. 1912. 32 pages, including 

 28 illustrations. 10 cents. 



Contains an account of the formation of Crater Lake. 



Forests of Crater Lake National Park, by J. F. Pernot. 1916. 40 pages, in 

 cluding 26 illustrations. 20 cents. 



Contains descriptions of the forest cover and of the principal species. 



Features of the flora of Mount Rainier National Park, by J. B. Flett. 1916. 

 48 pages, including 40 illustrations. 25 cents. 



Contains descriptions of the flowering trees and shrubs in the park. 



Forests of Mount Rainier National Park, by G. F. Allen. 1916. 32 pages, in 

 cluding 27 illustrations. 20 cents. 



Contains descriptions of the forest cover and of the principal species. 



Mount Rainier and its glaciers, by F. E. Matthes. 1914. 48 pages, including 

 26 illustrations. 15 cents. 



Contains a general account of the glaciers of Mount Rainier, and of the development 

 of the valleys and basins surrounding the peak. 



Sketch of Yosemite National Park and an account of the origin of Yosemite 

 and Hetch Hetchy Valleys, by F. E. Matthes. 1912. 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. 



Forests of Yosemite, Sequoia, and General Grant National Parks, by C. L. 

 Hill. 1916. 40 pages, including 23 illustrations. 20 cents. 



Contains descriptions of the forest cover and of the principal species. 



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 the 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. 



Antiquities of the Mesa Verde National Park: Spruce Tree House, by J. W. 

 Fewkes (Bull. 41, Bureau of American Ethnology). 1909. 58 pages, 21 plates, 

 37 text figures. 40 cents. 



Contains a detailed account of the structure and of the objects found in it. 



Antiquities of Mesa Verde National Park: Cliff Palace, by J. W. Fewkes 

 (Bull. 51, Bureau of American Ethnology). 1911. 82 pages, 35 plates, 4 text 

 figures. 45 cents. 



Contains a detailed account of the structure and of the objects found in it. 



Excavation and Repair of Sun Temple, by J. W. Fewkes. 1916. 32 pages, 

 including 18 illustrations. 15 cents. 



Contains an account of a new ruin discovered in 1915. 



Analyses of the waters of the Hot Springs of Arkansas, by J. K. Haywood, 

 and geological sketch of Hot Springs, Ark., by Walter Harvey Webb. 56 pages. 

 10 cents. 



Proceedings of the [First] National Park Conference held at Yellowstone 

 National Park, September 11 and 12, 1911. 210 pages. 15 cents. 



Contains a discussion of national-parks problems by officers of the Government and 

 other persons. 



Proceedings of the [Second] National Park Conference held at Yosemite 

 National Park, October 14, 15, and 16, 1912. 146 pages. 15 cents. 



Consist mainly of a discussion regarding the advisability of admitting automobiles 

 to the national parks. 



