Excerpt from History of Black Hawk County, Iowa, and Its People, Vol. 1 The fourth from the Mississippi River and also the (fourth from the Minnesota line, black'hawk County lies four square, the only irregularity in its outline being an Offset Of one mile. Made by the correction line which passes through the middle of the county. The row of sections immediately south of this line are reduced about one-fourth in area, thus making the area Of the county about five hundred and seventy square miles. Bremer County bounds it upon the north; Buchanan on the east; Benton and Tama on the south and Grundy and Butler-ou the west. The only known indurated rock Within its bounds is the Devonian; and of the unconsolidated materials, alluvium and Iowan drift are the only representatives at the surface excepting a small area of loess in Waterloo Township. Wherever there is any considerable depth of mantle rock, however, its greater bulk is Kansan drift, the Iowan being everywhere comparatively thin. In this county no very serious geological problems present themselves, nor does the rock or drift Offer any unusually interesting phases of expression or development, yet to the observant and thoughtful no inconsiderable part of the wonderful geological story is told in a clear and very entertaining manner. 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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