Excerpt from Marine Science Affairs, a Year of Plans and Progress: The Second Report of the President to the Congress on Marine Resources and Engineering Development; February, 1968 In the 19th Century we began to explore and develop a continent. Steam power replaced sail; the railroads replaced the pony express; and the people turned their attention to the opening of the West, strictly a land frontier. Interest in the oceans declined. 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.