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Excerpt from The Noatak-Kobuk Region, Alaska Investigations by the United States Geological Survey have closely followed the pioneer' a search for deposits of valuable minerals in Alaska. In accordance with this practice, expeditions have visited parts of northwestern Alaska where mining has been in progress or where there was probability of mining in the future, and a series of reports has been published setting forth both the geologic and the geographic results obtained. The present paper is one of this series and aims to describe the main features of the N oatak-kobuk region. The area included in this indefinite tract is shown on Plate I. It is not proposed, however, to describe all the region mapped, but rather to give attention only to the Kobuk and N o atak basins and the immediately contiguous territory. Therefore the Koyukuk and its tributaries, except Alatna River, will in the main be excluded, together with the Selawik River basin and Seward Peninsula. Though reference is made to these places, they are not part of the area considered in this bulletin. Reports on certain of these other areas have already been published and are available.' 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.

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