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Title: Total number of longwall faces drops below 50

Abstract

For the first time since Coal Age began its annual Longwall Census the number of faces has dropped below 50. A total of five mines operate two longwall faces. CONSOL Energy remains the leader with 12 faces. Arch Coal operates five longwall mines; Robert E. Murray owns five longwall mines. West Virginia has 13 longwalls, followed by Pennsylvania (8), Utah (6) and Alabama (6). A detailed table gives for each longwall installation, the ownership, seam height, cutting height, panel width and length, overburden, number of gate entries, depth of cut, model of equipment used (shearer, haulage system, roof support, face conveyor, stage loader, crusher, electrical controls and voltage to face). 2 tabs., 1 photo.

Authors:
Publication Date:
OSTI Identifier:
21261595
Resource Type:
Journal Article
Journal Name:
Coal Age
Additional Journal Information:
Journal Volume: 114; Journal Issue: 2; Journal ID: ISSN 0009-9910
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; USA; COAL MINES; LONGWALL MINING; COMPILED DATA; OWNERSHIP; HEIGHT; DEPTH; ROOFS; SUPPORTS; WORKING FACES; MINING EQUIPMENT; US ORGANIZATIONS; COAL SEAMS; LENGTH; SHEARER LOADERS; HAULAGE EQUIPMENT; CONTINUOUS MINERS; ARMORED CONVEYORS

Citation Formats

Fiscor, S. Total number of longwall faces drops below 50. United States: N. p., 2009. Web.
Fiscor, S. Total number of longwall faces drops below 50. United States.
Fiscor, S. 2009. "Total number of longwall faces drops below 50". United States.
@article{osti_21261595,
title = {Total number of longwall faces drops below 50},
author = {Fiscor, S},
abstractNote = {For the first time since Coal Age began its annual Longwall Census the number of faces has dropped below 50. A total of five mines operate two longwall faces. CONSOL Energy remains the leader with 12 faces. Arch Coal operates five longwall mines; Robert E. Murray owns five longwall mines. West Virginia has 13 longwalls, followed by Pennsylvania (8), Utah (6) and Alabama (6). A detailed table gives for each longwall installation, the ownership, seam height, cutting height, panel width and length, overburden, number of gate entries, depth of cut, model of equipment used (shearer, haulage system, roof support, face conveyor, stage loader, crusher, electrical controls and voltage to face). 2 tabs., 1 photo.},
doi = {},
url = {https://www.osti.gov/biblio/21261595}, journal = {Coal Age},
issn = {0009-9910},
number = 2,
volume = 114,
place = {United States},
year = {Sun Feb 15 00:00:00 EST 2009},
month = {Sun Feb 15 00:00:00 EST 2009}
}