Excerpt from Report of Explorations for a Route for the Pacific Railroad, on the Line of the Forty-First Parallel of North Latitude Page 80. - Under the head of Corrected Barometer, No. 551, observation of February 21, at 9 a. M., for 25. 698, read 25. 598. Page 80. - Under the head of Corrected Barometer, No. 55] observation of March 3, at 9 a. M., for 25. 758, read 25. 658. Page 87. - Under the head of Corrected Barometer, No. 551, observation of May 8, at sundown, for 25. 758, read 25. 658. 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.