Showing 1 - 3 results of 3 for search 'Kravits, S. J. (Stephen J.)', query time: 0.09s Refine Results
  1. 1
    Comparison of rotary and in-hole motor techniques for drilling horizontal boreholes in coal /
    by Kravits, S. J. (Stephen J.)
    Published 1985
    Government Document Book
  2. 2
    In-mine test of the Bureau of Mines preproduction wireless survey system /
    by Kravits, S. J. (Stephen J.)
    Published 1990
    Government Document Book
  3. 3
    Determining the source of longwall gob gas : Lower Kittanning Coalbed, Cambria County, PA /
    by Diamond, W. P. (William P.)
    Published 1992
    Other Authors: “...Kravits, S. J. (Stephen J.)...”
    Government Document Microform Book
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