Download or read book The American Journal of Science and Arts, Vol. 93 written by B. Silliman and published by Forgotten Books. This book was released on 2017-05-28 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The American Journal of Science and Arts, Vol. 93: Nos. 127, 128, 129; January, March, May, 1867 XVIII. Remarks on the Cretaceous rocks of the West known as No. I, or the Dakota Group; by F. V. Hayden. 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.