Search Results - Geyer, John Nicholas, 1896-

  • Showing 1 - 20 results of 20
Refine Results
  1. 1
    Cover Image

    Factors and conditions that aid in alinement of pillar extraction lines in coal mining / by Geyer, John Nicholas, 1896-

    Published 1933
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  2. 2
    Cover Image

    Blasting practices as they affect the roof of coal mines in Ohio, Pennsylvania, and West Virginia / by Geyer, John Nicholas, 1896-

    Published 1933
    Search for the full-text version of this title in HathiTrust
    Government Document Book

    Save to List
    Saved in:
  3. 3
    Cover Image

    State laws relating to coal-mine timbering. by Paul, J. W. (James Washington), Geyer, John Nicholas, 1896-

    Published 1928
    Government Document Book

    Save to List
    Saved in:
  4. 4
    Cover Image

    Falls of roof in mines operating in the Pittsburgh Coal Bed, West Virginia / by Paul, J. W. (James Washington)

    Published 1933
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Book

    Save to List
    Saved in:
  5. 5
    Cover Image

    Falls of roof and coal in mines operating in the Pittsburgh coal bed in Marion and Monongalia counties, W. Va. / by Paul, J. W. (James Washington)

    Published 1932
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Book

    Save to List
    Saved in:
  6. 6
    Cover Image

    Falls of roof and coal in mines operating in the Sewickley coal bed in Monongalia County, W. Va. / by Paul, J. W. (James Washington)

    Published 1932
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Book

    Save to List
    Saved in:
  7. 7
    Cover Image

    Falls of roof and coal in mines operating in the Pittsburgh Coal Bed, Panhandle District, West Virginia / by Paul, J. W. (James Washington)

    Published 1932
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Book

    Save to List
    Saved in:
  8. 8
    Cover Image

    Falls of roof and coal in mines operating in Pittsburgh coal bed in Marion and Monongalia Counties, W.Va

    Published 1932
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Microfilm Book

    Save to List
    Saved in:
  9. 9
    Cover Image

    Study of falls of roof and coal in mines of Harrison County, W. Va

    Published 1931
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Microfilm Book

    Save to List
    Saved in:
  10. 10
    Cover Image

    State laws relating to coal-mine timbering

    Published 1928
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Microfilm Book

    Save to List
    Saved in:
  11. 11
    Cover Image

    Falls of roof and coal in mines operating in Sewickley coal bed in Monongalia County, W.Va

    Published 1932
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Microfilm Book

    Save to List
    Saved in:
  12. 12
    Cover Image

    Falls of roof and coal in mines operating in Pittsburgh coal bed, Panhandle district, West Virginia

    Published 1932
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Microfilm Book

    Save to List
    Saved in:
  13. 13
    Cover Image

    Study of falls of roof and coal in mines of Harrison County, W. Va.

    Published 1931
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Full Text (via ProQuest)
    Government Document eBook

    Save to List
    Saved in:
  14. 14
    Cover Image

    Falls of roof and coal in mines operating in Sewickley coal bed in Monongalia County, W.Va.

    Published 1932
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Full Text (via ProQuest)
    Government Document eBook

    Save to List
    Saved in:
  15. 15
    Cover Image

    Falls of roof and coal in mines operating in Pittsburgh coal bed, Panhandle district, West Virginia.

    Published 1932
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Full Text (via ProQuest)
    Government Document eBook

    Save to List
    Saved in:
  16. 16
    Cover Image

    State laws relating to coal-mine timbering.

    Published 1928
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Full Text (via ProQuest)
    Government Document eBook

    Save to List
    Saved in:
  17. 17
    Cover Image

    Falls of roof and coal in mines operating in Pittsburgh coal bed in Marion and Monongalia Counties, W.Va.

    Published 1932
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Full Text (via ProQuest)
    Government Document eBook

    Save to List
    Saved in:
  18. 18
    Cover Image

    Analyses of Oklahoma coals.

    Published 1928
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Book

    Save to List
    Saved in:
  19. 19
    Cover Image

    Analyses of Arkansas coals.

    Published 1928
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Book

    Save to List
    Saved in:
  20. 20
    Cover Image

    Analyses of Kansas coals /

    Published 1929
    Other Authors: “…Geyer, John Nicholas, 1896-…”
    Government Document Book

    Save to List
    Saved in:
Search Tools: RSS Feed – Save Search