John R. Bartels / August J. Kwitowski / William D. Mayercheck

UOM:39015078457945

Mine railroad cars

William W. Aljoe / Robert R. Stein / R. C. Bartholomae

STANFORD:36105110634719

Rock-drills

Robert J. Evans / William D. Mayercheck

UOM:39015078465377

Coal mines and mining

Jasinder S. Jaspal / Lee A. Erhard / William D. Mayercheck

UOM:39015078457622

Mine haulage

Robert J. Evans / William D. Mayercheck / Joseph L. Saliunas / United States. Bureau of Mines

UOM:39015078465633

Mining machinery

John R. Bartels / August J. Kwitowski / William D. Mayercheck

UOM:39015078479410

Coal mines and mining

William D. Mayercheck / Jasinder S. Jaspal / Richard B. Farrar

UOM:39015078458141

Coal mines and mining

Robert J. Evans / William D. Mayercheck / Joseph L. Saliunas

UOM:39015078462879

Coal-mining machinery

John R. Bartels / William D. Mayercheck / Jon A. Hummer

UOM:39015078476002

Flywheels

William S. Kirk

UCR:31210024859777

Government publications

Jasinder S. Jaspal / Lee A. Erhard / William D. Mayercheck

UOM:39015078457622

Mine haulage

John R. Bartels / August J. Kwitowski / William D. Mayercheck

UOM:39015078479410

Coal mines and mining

William D. Mayercheck

OCLC:1139476844

Mine haulage

John R. Bartels / August J. Kwitowski / William D. Mayercheck

UOM:39015078457945

Mine railroad cars

William D. Mayercheck / Jasinder S. Jaspal / Richard B. Farrar

UOM:39015078458141

Coal mines and mining

Jasinder S. Jaspal / Lee A. Erhard / William D. Mayercheck

OCLC:247710120

Robert J. Evans / William D. Mayercheck / Joseph L. Saliunas / United States. Bureau of Mines

UOM:39015078465633

Mining machinery

John R. Bartels / William D. Mayercheck / Jon A. Hummer

UOM:39015078476002

Flywheels

Robert J. Evans / William D. Mayercheck

UOM:39015078465377

Coal mines and mining

Robert J. Evans / William D. Mayercheck / Joseph L. Saliunas

UOM:39015078462879

Coal-mining machinery

Robert J. Evans / William D. Mayercheck

OCLC:833182826

William D. Mayercheck / Jasinder S. Jaspal / Richard B. Farrar

OCLC:831318637

Donald I. Bleiwas / William D. Mayercheck / Jasinder S. Jaspal / Richard B. Farrar

OCLC:22181599

Coal mines and mining

Arnold Adams / David Clifford Dahlin / Davis E. Traut / Howard C. Pettibone / John R. Bartels / Sathit Tandanand / Thomas M. Barczak / Vladimir Adamek / August J. Kwitowski / David E. Schwemmer / Gregory J. Slavens / Lawrence L. Brown / P. W. Jeran / Peter A. Romans / Dennis A. Hansen / J. Dean Warner / Michael A. Trevits / William D. Mayercheck

LCCN:87600102

Aluminum chloride

Robert J. Evans / William D. Mayercheck / Joseph L. Saliunas

OCLC:148889854

Mining machinery

C. W. Whitten / Jim E. Murphy / John J. Sammarco / John R. Bartels / Kanaan Hanna / P. W. Jeran / Stephen C. Tadolini / Thomas M. Barczak / Yael Miron / Alex C. Smith / D. Conover / David E. Schwemmer / Michael F. Chambers / R. J. Yancey / Robert C. Dyni / Vladimir Adamek / William D. Mayercheck / Charles P. Lazzara / Jon A. Hummer / Khamis Y. Haramy

LCCN:90002101

Bolts and nuts

John R. Bartels

OCLC:921203041

Flywheels

John R. Bartels / August J. Kwitowski / William D. Mayercheck

LCCN:88600147

Mine railroad cars

John R. Bartels

OCLC:234077747

Mine haulage

OCLC:966873872

Shuttle cars (Mine haulage)