Excerpt from Water Supplies for Coulee Dam National Recreation Area, Washington The chemical quality of ground water in most of the area is good, except for being hard and, in some places, having a high iron content. Water from one well contained twice the recommended limit of dissolved solids as well as excessively high sulfate. 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.