Publisher's Synopsis
Excerpt from The Elevations of Certain Datum-Points on the Great Lakes and Rivers and in the Rocky Mountains
It is evident that these classes must differ very much in accuracy; and necessarily the. First step in this examination was to determine upon methods oi' testing the. Profiles so as to fix their proper relative weights. This was a very complicated and difficult process on account of the num her of factors to be considered. Some of the principles may, however, he, stated. 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.
