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The Impact of Surface Lignite Mining on Surface- and Ground-water Quality in Texas.

Authors
Mathewson-CC; Brown-KW; Deuel-LE; Kersey-DG
Source
NTIS: PB/83-238378 :84 pages
Link
NIOSHTIC No.
10003043
Abstract
The impact of surface mining of Texas lignites on surface and ground water systems was investigated. Surface water and/or hydrogeologic analysis were conducted at two active and three proposed mines in the Texas lignite belt. Field and laboratory studies measured the infiltration characteristics of surface mined land, determined the quality of surface water runoff, and analyzed the hydrogeologic impacts of surface mining on ground water quality and quantity in resaturated mine spoil. Adverse impacts of surface mining were found to be minimal in deltaic and coastal lagoon lignite deposits, which have shale-rich overburden; disturbances to the hydrologic balance were negligible. Mining of fluvial lignites associated with thick aquifer sands may result in degraded ground water quality and quantity, but long-term impacts are projected to be minimal. Runoff from mined land is similar to that from unmined native soils; both have high suspended loads.
Publication Date
19820101
Document Type
CP; Final Contract Report;
Fiscal Year
1982
NTIS Accession No.
PB83-238378
NTIS Price
A06
Identifying No.
OFR 142-83
NIOSH Division
DRC;
Source Name
NTIS: PB/83-238378
State
TX;
Performing Organization
Texas A&m University
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