Excerpt from U. S. Federal Fishery Research on the Great Lakes Through 1956 Soc., Vol. 63, pp. 348-360. Comparison of growth of walleyes, blue pike, and sauger. Includes also data on dominance of the 1926 year class and on size at maturity for the three species. 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.

Excerpt from U. S. Federal Research on Fisheries and Limnology in the Great Lakes Through 1964: An Annotated Bibliography Microorganic compounds adsorbed on activated charcoal filters from Lake Michigan and Lake Huron water were eluted by chloroform and alcohol. On the assumption that chloroform eluates represent less polar compounds from industrial sources and alcohol eluates the more polar varieties of natural origin, plots of the one against the other aid in judging water quality. Despite certain seasonal fluctuations it appears that northern Lake Michigan and Lake Huron in the vicinity of Saginaw. Bay are relatively free of pollution. 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.