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Ground-water hydrology of strip-mine areas in eastern Ohio (conditions during mining of two watersheds in Coshocton and Muskingum counties)

Open-File Report 81-913

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Abstract

Ground-water conditions during coal strip-mining in two small watersheds are described as part of an ongoing study of effects of mining on hydrologic systems. Each watershed was underlain by stratified sedimentary rocks containing two perched aquifers above clays which underlaid the major coal seams. Mining involved removing the over-burden rocks, including the top aquifer, stripping the top coal seam, and recontouring the overburden spoils to the approximate premining shape of the watershed. Water-levels in the top aquifer declined as mining neared the watersheds, but destruction of observation wells precluded a record of the decline during mining of the watersheds. Depletion of the top aquifer was reflected in stream base flow, which was reduced and more highly mineralized after mining. Initial saturated thickness of replaced overburden spoils ranged from 0 to 4 feet, based on data from observation wells installed immediately after reclamation. Down-hole specific conductance measurements of water in the spoils suggest the presence of more highly mineralized water than that in the premining top aquifer. No immediate significant effects of mining are evident on groundwater levels or quality beneath the stripped coal. (USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Ground-water hydrology of strip-mine areas in eastern Ohio (conditions during mining of two watersheds in Coshocton and Muskingum counties)
Series title:
Open-File Report
Series number:
81-913
Edition:
-
Year Published:
1981
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
iv, 25 p. :ill., maps ;28 cm.