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Longwall Subsidence Case History Numbers 3 and 4. Northern Appalachian Coal Region.

Authors
Powell-LR
Source
For Reference Only At Bureau Libraries :17 pages
Link
NIOSHTIC No.
10002220
Abstract
As part of the Bureau of Mines effort to establish a comprehensive subsidence data base for subsidence technology development, subsidence and related data are being compiled for various mining, geological, and environmental situations. This publication presents data for two longwall mining operations in the northern Appalachian coal region. Vertical displacements and relative face positions are tabulated for 104 subsidence monuments. Brief physiographic and geological descriptions of the mining sites are presented along with a general account of the mining and subsidence monitoring methods.
Publication Date
19810101
Document Type
CP;
Fiscal Year
1981
NTIS Accession No.
NTIS Price
Identifying No.
OFR 145-81
NIOSH Division
TCRC;
Source Name
For Reference Only At Bureau Libraries
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