IRRIGATION INVESTIGATIONS. 435 



for the maximum growth of crops will sufficiently increase the yield to pay for the 

 works necessary to obtain the supply of water. 



Bulletin No. 90. — Irrigation in Hawaii. By Walter Maxwell, Ph. D., 

 Director and Chief Chemist, Hawaiian Experiment Station. Pp. 

 48, pis. 6, figs. 3. Price 10 cents. 



Discusses the climatic, soil, and other conditions as affecting irrigation in Hawaii, 

 and gives the results of irrigation experiments, especially with sugar cane, carried on 

 by the author for a number of years. 



Bulletin No. 92. — The Reservoir System of the Cache la Poudre 

 Valley. By E. S. Nettleton. Pp. 48, pis. 14. Price 15 cents. 



A description of the reservoir system of the Cache la Poudre Valley, showing 

 the benefits to be derived from the construction of reservoirs for the storage of water 

 for irrigation. 



Bulletin No. 96. — Irrigation Laws of the Northwest Territories of 

 Canada and Wyoming, with Discussions by J. S. Dennis, Deputy 

 Commissioner of Public Works, Canada, and Fred Bond, State 

 Engineer of Wyoming, and J. M. Wilson, Agent and Expert, Irriga- 

 tion Investigations, Office of Experiment Stations. Pp. 90, frontis- 

 piece, pis. 5. Price 10 cents. 



Texts of the irrigation laws of the Northwest Territories of Canada and Wyo- 

 ming, with the regulations, forms, and methods of procedure adopted in the adminis- 

 tration of these laws, and a discussion of the principles underlying the laws and the 

 methods followed in their enforcement. 



Bulletin No. 100. — Report of Irrigation Investigations in California 

 under the direction of Elwood Mead, assisted by William E. Smythe, 

 Marsden Manson, J. M. Wilson, Charles D. Marx, Frank Soule, 

 C. E. Grunsky, Edward M. Boggs, and James D. Schuyler. Pp. 

 411, pis. 29, figs. 16. Price cloth $1.25, paper 90 cents. 



This report deals with investigations carried on during the summer of 1900 in 

 cooperation with the California Water and Forest Association. In addition to a 

 review of the agricultural situation in the State, it presents a compehensive discussion 

 of the water laws and customs under which irrigation is practiced in California as 

 typified by the conditions in Honey Lake Basin, and on Yuba River, Cache Creek, 

 Salinas River, San Joaquin River, Kings River, Los Angeles River, Sweetwater 

 River, and San Jacinto River. It describes the methods and means by which water 

 is diverted from these streams and used in irrigation, and the indefinite and excessive 

 appropriations of water and the resulting litigation, and discusses the evils resulting 

 from absence of State control of streams. 



Bulletin No. 104. Report of Irrigation Investigations for 1900 under 

 the supervision of Elwood Mead, Expert in Charge of Irrigation 

 Investigations, including reports bv special agents and observers 

 W. M. Reed, W. H. Code, A. J. McClatchie, W. Irving, J. M. 

 Wilson, R. C. Gemmell, G. L. Swendsen, O. V. P. Stout, W. H. 

 Fairfield, D. W. Ross, O. L. Waller, S. Fortier, and J. C. Nagle. 

 Pp. 334, pis. 25, figs. 29. Price 50 cents. 



This report describes the study of the agricultural and engineering problems of 

 irrigation made in the arid States and Territories during 1900. Among the subjects 



