This is the report that started it all. Tibbetts and Kieffer figured out where to put the dams and other water infrastructure that would become the Santa Clara Valley Water District. I. Description of territory and reason for investigation -- II. History and general development of the valley -- III. Development of irrigation -- IV. Water resources -- V. Conservation and use of water -- VI. Construction program and cost estimates -- VII. Organization and procedure -- Appendix I. Engineering organization.