Excerpt from Selected Water Resources Abstracts, Vol. 12: Annual Cumulated Indexes to Volume 12, 1979; Part 2. Subject Additional centers of competence have been established in cooperation with the Environmental Protection Agency. A directory of the Centers appears on page iv. 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.