Excerpt from Results of Spirit Leveling in Arkansas, Louisiana, and Mississippi: 1896 to 1909, Inclusive Scope of the work - All results of spirit leveling in these States previously published by the United States Geological Survey and all later work are included in this report, rearranged by quadrangles. All elevations are based on the precise-level net as adjusted in 1907 by the Coast and Geodetic Survey to a common mean sea-level datum. The net of precise-level lines, beside the lines of the United States Geological Survey. Described in this bulletin, which lie within or along the borders of these States, comprises the line of the Coast and Geodetic Survey from Arkansas City via Van Buren to Garfield, Ark. And from Greenville, Miss, to Vicksburg, Miss; also lines of the Corps of' Engineers, U. S. Army, along Mississippi River and in southern Arkansas and northern Louisiana. 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.