A preliminary report, January 24, 1901, was published as Senate doc. no. 108, 56th Congress, 2d session The agricultural situation in California, by Elwood Mead.--The irrigation problems of Honey Lake basin, by W.E. Smythe.--Features of water rights of Yuba river, by Marsden Manson.--Irrigation investigations on Cache creek, by J.M. Wilson.--Report on irrigation problems in the Salinas Valley, by C.D. Marx.--Irrigation from the San Joaquin river, by Frank Soulé.--Water appropriations from Kings river, by C.E. Grunsky.--A study of water rights on the Los Angeles river, by E.M. Boggs.--Problems of water storage on torrential streams of southern California as typified by Sweetwater and San Jacinto rivers, by J.D. Schuyler.--Recommendations of special agents and experts.--Index