Coal Age

FEB 2013

Coal Age Magazine - For nearly 100 years, Coal Age has been the magazine that readers can trust for guidance and insight on this important industry.

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February 2013 1,020 700 16,200 11,500 Panel length (ft) 2,000 1,400- Overburden (ft) 600- 64 70 Panel width (ft) Patriot Coal Loveridge 98 No. 8 92 96- Solvay Chemicals Westvaco 132 96- 130 132 96- 130 108- 120 72 68- 65 87 750 505 750 1,000 1,300 1,400 1,000 1,000 9,400 5,000 10,000 9,000 13,500 12,000 10,000 9,000 5,000 1,300 600- 1,100 1,500 1,500 700 400 1300 500- 900 500- 4 3 3 3 3 3 4 3 3 3 3 3 3 3 3 3 4 No. of gate entries 32 34 39 42 38 42 42 7 42 42 42 42 42 36 42 42 42 Depth of cut (inches) DDR 2,360 Joy 7LS5 DDR 2,736 Cat EL3000 DDR 1,330 Joy 7LS3 DDR 1575 Joy 7LS1A DDR 1620 Joy 7SL1A DDR 1,680 Joy 7LS2 DDR 1,625 Joy 7LS1A Plow 1,080 Cat GH 1600 DDR 1,666 Joy 7LS2A DDR 1,340 Joy 7LS1 DDR 1620 Joy 7LS1A DDR 1620 Joy 7LS1A DDR 1,680 Joy 7LS2 DDR 1,290 Joy 7LS1A DDR 1620 Joy 7LS1D DDR 1,290 Joy 7LS1A DDR 1,300 Joy 7LS1D Shearer 2000 Ultratrac 2000 Jumbotrac Jumbotrac 2000 Ultratrac 2000 Jumbo Track Indirect Drive Jumbo GearRack 2000 Ultratrac Chain 2000 Ultratrac 2000 Ultratrac 2000 Super GearRack 2000 Super GearRack Indirect Drive Jumbo GearRack 2000 Ultratrac Indirect Drive Jumbo GearRack 2000 Jumbotrac 2000 Super GearRack Haulage system 870 Joy 800 Cat 926 Cat JSST-1,020 Tunnel Ridge 790 Cat 840 Cat 1,280 Joy 715 Cat 1,040 Joy 815 Joy 890 Cat 880 Cat 865 Cat 1,005 Joy 840 Cat 1,271 Cat 1,024 Joy Roof support yield (tons) 42 TIB 2x1,072 Joy Mining Machinery 38 TIB 2x700 Cat 42 TIB 2x1,250 Cat 42 TIB 3x1,073 Joy/LW Associates 42 TIB 3x750 Cat/ PF4 48 TIB 3x1,900 Cat/LW Associates 42 TIB 3x1,072 Joy Mining Machinery 34 TIB 2x800 Cat 42 TIB 3x1,000 Joy Mining Machinery 38 TIB 2x700 Longwall Associates 48 TIB 3x1,900 Cat/LW Associates 48 TIB 3x1,900 Cat/LW Associates 48 TIB 3x1900 Cat/LW Associates 42 TIB 3x700 Joy Mining Machinery 42 TIB 3x800 LW Associates 48 TIB 3x1,200 Cat 42 TIB 3x800 Joy/LW Associates Face conveyor type (strand, motors) 268 1,100/ 330 950/ 357 988/ 340 1,000/ 350 988/ 365 1,000/ 347 890/ 366 988/ 337 1,000/ 229 950/ 365 1,000/ 365 1,000/ 365 1,000/ 270 890/ 350 1,000/ 320 988/ 350 1,000/ Face conveyor width (mm)/ speed (fpm) 1,294 mm, 385 fpm Joy Mining Machinery 1,388 mm, 477 fpm Caterpillar 1,388 mm, 423 fpm Caterpillar 1,294 mm, 443 fpm Joy Mining Machinery 1,188 mm, 440 fpm Caterpillar 1,188 mm, 525 fpm Caterpillar 1,360 mm, 450 fpm Joy Mining Machinery 1,188 mm, 466 fpm Caterpillar 1,200 mm, 455 fpm Joy Mining Machinery 1,200 mm, 312 fpm Joy Mining Machinery 1,188 mm, 525 fpm Caterpillar 1,188 mm, 525 fpm Caterpillar 1,188 mm, 525 fpm Caterpillar 1,220 mm, 415 fpm Joy Mining Machinery 1,200 mm, 550 fpm Trinity 1,388 mm, 350 fpm Caterpillar 1,294 mm, 460 fpm Longwall Associates Stageloader type width, speed Joy Cat Cat Joy Cat Cat Joy Cat Joy Associates Longwall Cat Cat Cat Joy Cat Cat Joy Crusher Machine Service Machine Service Machine Service Power Line Power Line Power Line Machine Service Machine Service Machine Service Power Line Power Line Power Line Power Line Power Line Power Line Machine Service Power Line Electrical controls 4,160 4,160 4,160 4,160 4,160 4,160 4,160 4,160 4,160 2,300 4,160 4,160 4,160 2,300 4,160 4,160 4,160 Voltage to face Legend: DDR 2,000 means double-drum ranging arm shearer with 2,000 hp installed. Cutting machines reported are all shearer type unless otherwise indicated. VFD���Variable Frequency Drive; SS���single strand; TIB���twin strand inboard; 42 TIB 2x1,000 means 42-mm chain, twin strand inboard, two 1,000-hp motors. *Note: AEMI=American Equipment and Machine, Inc., and MEC=Murray Energy Corp. 17 17 Bed Green River FMC Corp. Bed Pacific Minerals 96- 144 D41 72 62- 65 60- Bridger WYOMING (3) Alliance Resource Partners No. 8 No. 8 Pittsburgh Tunnel Ridge Pittsburgh CONSOL Energy Shoemaker CONSOL Energy Pittsburgh 78 50 1,000 300- 800 600- 1,100 500- 1,100 500- 1,250 800- 1,400 750- 1,150 1,000 Robinson Run No. 95 48 50 84 48- 3,100- 8,000 6,000- 12,500 12,500 12,000 8,500 12,000 Alpha Natural Resources Powelton No. 3 Cliffs Resources 84 48- 850 1,400 1,400 1,400 1,050 1,100 800- Pocahontas Pinnacle No. 50 108 78- 84 84 94 88 82 800- Revolution Cedar Grove Arch Coal Alma & 108 Mountaineer II Alliance Resource Partners Freeport 65 No. 8 78- 65 60- No. 8 60- Pittsburgh Pittsburgh 96 80 Upper Mountain View CONSOL Energy McElroy No. 8 No. 8 Pittsburgh Federal No. 2 CONSOL Energy No. 8 Pittsburgh CONSOL Energy Pittsburgh Blacksville No. 2 1,000 50 76 60- Cutting height (inches) Patriot Coal Eagle No. 3 Pocahontas Seam Seam height (inches) American Eagle (Panther) WEST VIRGINIA (13) CONSOL Energy Buchanan VIRGINIA (1) Mine Company (parent) u.s. longwall census continued www.coalage.com 29

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