Excerpt from Report of an Investigation of Water and Sewage Purification Plants in Ohio, 1906-1907: Made Under Authority of an Act of Legislature, Passed February 23, 1906 To direct the state board of health to examine and report upon public water purification works and sewage purification works in the State of Ohio, and make an appropriation therefor. 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.