This report provides a fascinating account of the development of the Upper Sacramento River in California, including its geological and historical background. It is a valuable resource for anyone interested in the history of California's waterways, and the engineering feats that were required to harness them for human use. The report includes maps and illustrations of the region, as well as detailed charts and tables providing statistical information on the river's flow and other features.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.