Excerpt from San Joaquin Valley Drainage Investigation: Appendix D; Waste Water Quality, Treatment, and Disposal The area of investigation included the entire San Joaquin Valley. This area, drainage pro blem areas, and the proposed alignment of the San Joaquin Master Drain are shown on Figure 1. Approximately 90 percent of the valley floor's eight million acres is considered to be irri gable. The Tulare Lake Basin portion of the valley floor con tains million acres and the San Joaquin River Basin portion contains million acres. These two basins are separated by the natural topographic divide, also shown on Figure 1. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.