Backfilling Problem in the Anthracite Region as it Relates to Conservation of Anthracite and Prevention of Subsidence

Backfilling Problem in the Anthracite Region as it Relates to Conservation of Anthracite and Prevention of Subsidence
Title Backfilling Problem in the Anthracite Region as it Relates to Conservation of Anthracite and Prevention of Subsidence PDF eBook
Author Simon Harry Ash
Publisher
Pages 22
Release 1946
Genre Anthracite coal
ISBN

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Federal participation in a cooperative "backfilling" program to prevent surface cave-ins in the anthracite region of Pennsylvania is recommended in this report, which describes a plan for filling worked-out underground areas with waste or other material. Presents the various systems of backfilling and the technical problems involved. Bibliography included

Pumped-slurry Backfilling of Inaccessible Mine Workings for Subsidence Control

Pumped-slurry Backfilling of Inaccessible Mine Workings for Subsidence Control
Title Pumped-slurry Backfilling of Inaccessible Mine Workings for Subsidence Control PDF eBook
Author Ralph H. Whaite
Publisher
Pages 558
Release 1975
Genre Mining engineering
ISBN

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Report of Investigations

Report of Investigations
Title Report of Investigations PDF eBook
Author
Publisher
Pages 764
Release 1947
Genre Mineral industries
ISBN

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Report of Investigations. [no.2002 to No.7380]

Report of Investigations. [no.2002 to No.7380]
Title Report of Investigations. [no.2002 to No.7380] PDF eBook
Author
Publisher
Pages 874
Release 1947
Genre Mineral industries
ISBN

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Pumped-slurry Backfilling of Abandoned Coal Mine Workings for Subsidence Control at Rock Springs, Wyo

Pumped-slurry Backfilling of Abandoned Coal Mine Workings for Subsidence Control at Rock Springs, Wyo
Title Pumped-slurry Backfilling of Abandoned Coal Mine Workings for Subsidence Control at Rock Springs, Wyo PDF eBook
Author Gary J. Colaizzi
Publisher
Pages 108
Release 1981
Genre Abandoned coal mines
ISBN

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Bulletin

Bulletin
Title Bulletin PDF eBook
Author
Publisher
Pages 642
Release 1953
Genre Mines and mineral resources
ISBN

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Carbonizing Properties

Carbonizing Properties
Title Carbonizing Properties PDF eBook
Author
Publisher
Pages 540
Release 1951
Genre Airplanes
ISBN

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