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  1. Report of Research on Pennsylvania's Coal Resources IPR-20

    Resource Type: Report
    Creator: H.B. Charmbury, C.J. Zink, Robert W. Rissinger, Joseph Kershetsky, R.P. Aikman, John Todhunter, G.L. Barthauer, John Seddon, and William Sturm
    Keyword: Interim Progress Report and Coal Resources
    Publisher: Department of Mines and Mineral Industries
    Object Type: GenericWork
    Date Uploaded: 2015-11-11T21:00:13Z
  2. Report of Research on Pennsylvania's Coal Resources IPR-19

    Resource Type: Report
    Creator: C.J. Zink, H.B. Charmbury, Joseph Kershetsky, R.P. Aikman, John Todhunter, G.L. Barthauer, John Seddon, William Sturm, M.E. Bell, C.L. Hosler, E.F. Osborn, R.Stefanko, W. Spackman, P.L. Walker, Jr., and H.L. Lovell
    Keyword: Coal Research Board and Coal Resources
    Publisher: College of Mineral Industries and Pennsylvania State University
    Object Type: GenericWork
    Date Uploaded: 2015-11-11T21:08:44Z
  3. Investigations on the Operations of the Circular Concentrator for Cleaning Fine Coal

    Resource Type: Report
    Creator: James K. Kindig and H.B. Charmbury
    Keyword: Coal Research Board and SR-30
    Publisher: College of Mineral Industries and Department of Mineral Preparation
    Object Type: GenericWork
    Date Uploaded: 2015-11-11T21:35:48Z
  4. Effect of Crusher Type on the Liberation of Sulfur in Bituminous Coal

    Resource Type: Report
    Creator: D.W. Kestner, Jr., D.S. Confer, and H.B. Charmbury
    Keyword: Coal Research Board and SR-32
    Publisher: College of Mineral Industries and Department of Mineral Preparation
    Object Type: GenericWork
    Date Uploaded: 2015-11-11T21:39:14Z
  5. THE CRUSHING OF ANTHRACITE WITH A JAW CRUSHER

    Resource Type: Report
    Creator: RAO, P. D., CHARMBURY, H. B., and MITCHELL, D. R.
    Keyword: mineral
    Object Type: GenericWork
    Date Uploaded: 2016-07-27T18:38:17Z
  6. THE CRUSHING OF ANTHRACITE

    Resource Type: Report
    Creator: FERRIGHETTO, JOHN, PURCELL, GEOFFREY, CHARMBURY, H.B., and MITCHELL, D.R.
    Keyword: mineral
    Object Type: GenericWork
    Date Uploaded: 2016-07-27T18:38:18Z
  7. THE CRUSHING OF ANTHRACITE WITH AN IMPACTOR-TYPE CRUSHER

    Resource Type: Report
    Creator: RAO, P. D., CHARMBURY, H. B., and MITCHELL, D. R.
    Keyword: mineral
    Object Type: GenericWork
    Date Uploaded: 2016-07-27T18:38:22Z
  8. INVESTIGATION OF THE CIRCULAR CONCENTRATOR-FLOT A TION CIRCLE SYSTEM FOR CLEANING FINE COAL

    Resource Type: Report
    Creator: KESTNER, D.W., JR., CONFER, D.S., and CHARMBURY, H.B.
    Keyword: mineral
    Object Type: GenericWork
    Date Uploaded: 2016-07-27T18:38:36Z
  9. THE PREPARATION CHARACTERISTICS OF THE BITUMINOUS COAL RESERVES IN PENNSYLVANIA WITH SPECIAL EMPHASIS ON SULFUR REDUCTION

    Resource Type: Report
    Creator: CONFER, D.S., KESTNER, D.W., JR., and CHARMBURY, H.B.
    Keyword: mineral
    Object Type: GenericWork
    Date Uploaded: 2016-07-27T18:38:37Z
  10. THE UTILIZATION OF INCINERATED ANTHRACITE MINE REFUSE AS AN AGGREGATE IN BITUMINOUS MIXES FOR SURFACING HIGHWAYS

    Resource Type: Report
    Creator: Charmbury, H.B., Chubb, W.R., and Witkoski, F.C.
    Keyword: mineral
    Object Type: GenericWork
    Date Uploaded: 2016-07-27T19:11:39Z