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Entry Stabilization Utilizing Rib Bolting Procedures

Dennis R. Dolinar

Published: 1991

Total Pages: 24

Entry stabilization utilizing rib bolting procedures

Dennis R. Dolinar

Published: 1991

Total Pages: 13

Mining Machine Orientation Control Based on Inertial, Gravitational, and Magnetic Sensors

John J. Sammarco

Published: 1990

Total Pages: 496

Monthly Catalogue, United States Public Documents

Published: 1992

Total Pages: 982

Monthly Catalog of United States Government Publications

Published: 1992-04

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New Publications from the MSHA Informational Service Library

Safety and Health Technology Center (Denver, Colo.). Informational Service Library

Published: 1990

Total Pages: 226

Proceedings, New Technology for Coal Mine Roof Support

Published: 2000

Total Pages: 292

Report of Investigations

Published: 1991

Total Pages: 360

Tin and Silver Recovery from Coal Creek, AK

J. L. Johnson

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Total Pages: 532

Information Circular

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