Excerpt from A Catalogue of Geological Maps of South America This publication was originally prepared as a catalogue of the geological maps of South America contained in the libraries of the U. 5. Geological Survey, the pan-american Union, the Army War College, and the Library of Congress, all in Washington, D. C. To the original list the American Geographical Society has added the maps to be found in its library and map collection in New York, and it has expanded the list of maps not seen by including the geological maps referred to in the works cited below as Suess-de Margerie and ags list. The list originally counted 105 maps seen and 26 maps not seen; it now numbers 170 maps seen and 39 maps not seen. 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.