Results of Spirit Leveling in Indiana

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Excerpt from Results of Spirit Leveling in Indiana: 1897 to 1911, InclusiveThe connection with tidal stations for bench marks in certain areas that lie at some distance from the sea coast is still uncertain, and this fact is indicated by the addition of a letter or a word to the right of the word Datum on tablets or posts. For such areas corrections of published results Will be made from time to time as the precise - level lines of the United States Geological Survey or other Government organizations are extended.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.