Showing 161 - 180 results of 835 for search '', query time: 0.17s Refine Results
  1. 161
    Minerals Yearbook 1959. Volume 3 of three volumes. Area reports.
    Published 1960
    Connect to the full text of this electronic book
    Government Document eBook
  2. 162
    Minerals Yearbook 1963 Volume IV of four volumes. Area reports: International.
    Published 1964
    Connect to the full text of this electronic book
    Government Document eBook
  3. 163
    Minerals Yearbook 1967. Volume IV area reports: International prepared by staff of the Bureau of Mines.
    Published 1969
    Connect to the full text of this electronic book
    Government Document eBook
  4. 164
    Minerals Yearbook 1968.
    Published 1970
    Connect to the full text of this electronic book
    Government Document eBook
  5. 165
    Report of the Director of the Bureau of Mines.
    Published 1915
    Connect to the full text of this electronic book
    Government Document eBook
  6. 166
    Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 383. Notes on explosive mine gases and dusts with special reference to explosions in the Monongah, Darr, and Naomi coal mines.
    Published 1909
    Connect to the full text of this electronic book
    Government Document eBook
  7. 167
    Report of the Director of the Bureau of Mines.
    Published 1916
    Connect to the full text of this electronic book
    Government Document eBook
  8. 168
    One hundred-Ưpercent first-Ưaid training, Peabody Coal Co., Taylorville, Christian County. Ill.
    Published 1938
    Electronic resource (PDF)
    Government Document eBook
  9. 169
    Reconnaissance of placer mining in Boise County, Idaho.
    Published 1938
    Electronic resource (PDF)
    Government Document eBook
  10. 170
    Cost of mining 55 tons of copper-Ưnickel ore at Great Eastern prospect, Bunkerville, Clark County. Nev.
    Published 1938
    Electronic resource (PDF)
    Government Document eBook
  11. 171
    Some observations on coalƯ-mine fans and coal-Ưmine ventilation.
    Published 1938
    Electronic resource (PDF)
    Government Document eBook
  12. 172
    Lighting practices in coal mines of United States.
    Published 1938
    Electronic resource (PDF)
    Government Document eBook
  13. 173
    Gold mining and milling in Idaho County, Idaho.
    Published 1938
    Electronic resource (PDF)
    Government Document eBook
  14. 174
    CoalƯmine explosives, their characteristics, selection and safe use.
    Published 1938
    Electronic resource (PDF)
    Government Document eBook
  15. 175
    Forwarding health and safety in coal mining by use of watering methods.
    Published 1938
    Electronic resource (PDF)
    Government Document eBook
  16. 176
    Lander County, Nev. Reconnaissance of mining districts in Lander County, Nev.
    Published 1939
    Electronic resource (PDF)
    Government Document eBook
  17. 177
    Installation of high-Ưtension power circuits in coal mine.
    Published 1939
    Electronic resource (PDF)
    Government Document eBook
  18. 178
    Safe storage, handling, and use of commercial explosives.
    Published 1939
    Electronic resource (PDF)
    Government Document eBook
  19. 179
    Mine ventilation.
    Published 1939
    Electronic resource (PDF)
    Government Document eBook
  20. 180
    Coal-Ưmine explosions and coal and metal-Ưmine fires in United States during fiscal year 1938.
    Published 1939
    Electronic resource (PDF)
    Government Document eBook
Search Tools: RSS Feed – Email Search