Excerpt from Tests of Hatchery Foods for Blueback Salmon (Oncorhynchus Nerka)The equipment used in the experiments duplicated that in use in production procedures as nearly as possible. The troughs were the standard, concrete troughs of the Grand Coulee Project, 16 feet long, 16 inches wide, and with an average water depth of 10 inches.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.