General Instructions for the Field Work of the Coast and Geodetic Survey (Classic Reprint)

Excerpt from General Instructions for the Field Work of the Coast and Geodetic Survey 3. Classification of triangulation. - Triangulation in the United States Coast and Geodetic Survey is divided into three classes. 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.