Excerpt from Memorial of the President and Managers of the Monogahela Navigation Company Ohio and Mississippi Rivers, or the port and harbor dues at the different seaports of the United States. But these works are not only an aid to commerce; they actually created what the Engineers call an immense commerce on that river. 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.