Book Description

Excerpt from Geologic Reconnaissance of a Part of Western Arizona The northern third of the region is covered by the early reconnais sance maps of the United States Geological Survey, and the geographic features are well known. Little has been done, however, toward accurately mapping western Arizona south of the thirty - fifth par allel. The maps heretofore published were found erroneous, espe cially in the locations of mountain groups and lines of drainage. It is not claimed that the map accompanying this bulletin is errorless, but in the southern part, where previously published maps have been most incorrect, this map is believed to be measurably accurate owing to data acquired by recent railway surveys and furnished for use in this bulletin by W. A. Drake, engineer of the Santa Fe Rail way system. 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.