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33541. Miners Roof Bolting

IDNO:
033541
Title:
Miners Roof Bolting

33542. Transporting Logs into a Coal Mine

IDNO:
033542
Title:
Transporting Logs into a Coal Mine

33543. Miner at Work Underground in a Coal Mine

IDNO:
033543
Title:
Miner at Work Underground in a Coal Mine

33544. Pumping Air into a Coal Mine

IDNO:
033544
Title:
Pumping Air into a Coal Mine

33545. Miner at Work Underground in a Coal Mine

IDNO:
033545
Title:
Miner at Work Underground in a Coal Mine

33546. Miners Cutting Timber to Shore up the Walls of a Mine

IDNO:
033546
Title:
Miners Cutting Timber to Shore up the Walls of a Mine

33547. Coal Mining Machinery

IDNO:
033547
Title:
Coal Mining Machinery

33548. Conveyor Belt Inside a Coal Mine

IDNO:
033548
Title:
Conveyor Belt Inside a Coal Mine

33549. Conveyor Belt Inside a Coal Mine

IDNO:
033549
Title:
Conveyor Belt Inside a Coal Mine
'1. Tractor Trailer Unit over Dump. 2. Main line 30"x1000' Conveyor. 3. Junction point 30" Conveyors. 4. Tractor trailer dump over belt.'

33550. Views of Coal Transport Equipment in Blue Bird Company Mine, Carrier Mills, IL

IDNO:
033550
Title:
Views of Coal Transport Equipment in Blue Bird Company Mine, Carrier Mills, IL
Description:
'1. Tractor Trailer Unit over Dump. 2. Main line 30"x1000' Conveyor. 3. Junction point 30" Conveyors. 4. Tractor trailer dump over belt.'

33551. Conveyor Belt Mechanism Inside a Coal Mine

IDNO:
033551
Title:
Conveyor Belt Mechanism Inside a Coal Mine

33552. Conveyor Belt Mechanism Inside a Coal Mine

IDNO:
033552
Title:
Conveyor Belt Mechanism Inside a Coal Mine