Excerpt from Missouri River Basin Investigations: Preliminary Land Planning and Classification Report as Relates to the Public Domain Lands in the Angostura Area (Upper Cheyenne River Basin in Wyoming, South Dakota, and Nebraska) From its headwaters in northwestern Converse County9 Wyoming, the Cheyenne River flows in an eastward direction approximately 150 miles to the Angostura Reservoir in fall.river County South Dakota; then continues in a northeasterly direction for approximately 70 miles to where Rapid Creek joins it from.the westg'whieh forms the northeastern boundary of the area.. 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.