Data From Controlled Drilling Program in Lee and Ogle Counties, Illinois (Classic Reprint)

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Excerpt from Data From Controlled Drilling Program in Lee and Ogle Counties, IllinoisIn the Chicago region and in other areas of northern Illinois the deep sources of water, the artesian sandstones, are already overpumped. The purpose of a drilling program conducted in Lee and Ogle Counties by the Illinois State Geological Survey was to provide information on the nature of glacial de posits to facilitate the search for new, shallow sources of ground water for the rapidly expanding metropolitan areas of northeastern and north-central Illinois. Data compiled from field and laboratory analyses of samples collected from one test hole in Ogle County and seven drill holes, 16 refraction seismograph pro files, and one pump test in Lee County are presented here (fig. The test holes were drilled in conjunction with the construction of a test well and an aquifer - evaluation study by the Illinois State Water Survey.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.