Excerpt from Spawning Escapement of Okanogan River Blueback Salmon (Oncorhynchus Nerka), 1957 Channel improvement work in sections B to D was responsible for reducing the flow in the experimental channel to a mere fraction of normal. Consequently, only 88 fish were Observed spawning in this channel compared to for last year. This same channel work seriously reduced the flow in the west channel causing an additional loss of spawning area. 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.