The Illinois Lands Unsuitable for Mining Program PDF Download
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Category : Agricultural conservation
Languages : en
Pages : 8
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Author:
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Category : Agricultural conservation
Languages : en
Pages : 8
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Category : Agricultural conservation
Languages : en
Pages : 28
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Category : Agricultural conservation
Languages : en
Pages : 192
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Category : Geodatabases
Languages : en
Pages :
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Category : Coal mines and mining
Languages : en
Pages : 48
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Author: Southern Illinois University at Carbondale. Cooperative Wildlife Research Laboratory
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Category : Coal mines and mining
Languages : en
Pages : 212
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Category : Information storage and retrieval systems
Languages : en
Pages : 205
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Category : Land use
Languages : en
Pages : 398
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Author: Illinois. Institute for Environmental Quality
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Category : Reclamation of land
Languages : en
Pages : 30
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Author: Jack R. Nawrot
Publisher: Forgotten Books
ISBN: 9780483536081
Category : Technology & Engineering
Languages : en
Pages : 570
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Excerpt from Problem Sites: Lands Affected by Underground Mining for Coal in Illinois Early coal mining in Illinois consisted of digging in outcrops along river bluffs or stripping shallow overburden from seams near the surface. Such techniques resulted in very little refuse (waste coal and other debris) at the surface, as most coal was selected by hand without further processing. Modern mining practices incorporating continuous mining machines, as well as the demand for clean, processed coal, has resulted in current refuse rates of 20 to 50 percent of the deep mined coal. In 1974, the nation's coal industry generated about 130 million tons of coal mine refuse (schlick and Wahler Refuse produced by underground mines in Illinois totaled an estimated 8 to 15 million tons in 1975, or approximately million cubic yards. Coal preparation plants produce two types of refuse material gob and slurry. Coarse refuse (plus 28 sieve or referred to as gob, contains waste coal, rock, pyrites, or other materials of relatively large size. The washing process produces effluent (minus 28 sieve), referred to as slurry, containing small coal particles, clay, and other debris (martin In the past, gob was deposited in refuse piles; slurry was pumped and deposited into streams, onto adjacent terrestrial areas, or into impoundments. 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.
