Excerpt from Profiles, Sections and Other Illustrations: Designed to Accompany the Final Report of the Chief Geologist of the Survey and Sketched Under His DirectionsAre issued in advance of the text, for the purpose of placing them in the hands of the principal geologists in this country and in Europe. The first edition of two thousand copies, in colors, will be published with descriptive text in about one year. In the mean time every effort will be made, to correct any errors that may appear on further examination of the country. In the arrangement of the Sections I have followed the order of exploration, grouping those of 1869 together, succeeded by those of 1870.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.