Excerpt from Notes on Hydrology and the Application of Its Laws to the Problems of Hydraulic Engineering First. Descriptive Hydrography, treats of the oceans, lakes, rivers, and other waters, with special reference to their relations to sanitation and their use for agriculture, naviga tion and commerce. Second. Hydrogeology, treats of the geology of water, and includes that part of geological science which has to do with the relation of water occurring on or within the structure of the earth, and its relations to the earth's structure. 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.