Showing 21 - 40 results of 819 for search '', query time: 0.18s Refine Results
  1. 21
    Minerals Yearbook, 1958.
    Published 1959
    Connect to the full text of this electronic book
    Government Document eBook
  2. 22
    Mineral resources of the United States.
    Published 1912
    Connect to the full text of this electronic book
    Government Document eBook
  3. 23
    Statistical abstract of the United States.
    Published 1913
    Connect to the full text of this electronic book
    Government Document eBook
  4. 24
    Annual Report of the Commissioner of Internal Revenue for the fiscal year ended June 30, 1938.
    Published 1938
    Connect to the full text of this electronic book
    Government Document eBook
  5. 25
    Annual Report of the Commissioner of Internal Revenue for the fiscal year ended June 30, 1939.
    Published 1939
    Connect to the full text of this electronic book
    Government Document eBook
  6. 26
    Coal-mine accidents: Their causes and prevention. A preliminary statistical report.
    Published 1907
    Connect to the full text of this electronic book
    Government Document eBook
  7. 27
    The burning of coal without smoke in boiler plants. A preliminary report.
    Published 1907
    Connect to the full text of this electronic book
    Government Document eBook
  8. 28
    Washing and coking tests of coal and cupola tests of coke. Conducted by the United States fuel-testing plant at St. Louis, Mo.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  9. 29
    The purchase of coal under government and commercial specifications on the basis of its heating value. With analyses of coal delivered under government contracts.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  10. 30
    Binders for coal briquets investigations made at the fuel-testing plant, St. Louis, Mo.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  11. 31
    Twenty-ninth Annual Report of the Director of the United States Geological Survey.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  12. 32
    Report of the Mine Inspector for the Territory of New Mexico.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  13. 33
    Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 346. Structure of the Berea Oil Sand in the Flushing quadrangle. Harrison, Belmont, and Guernsey Counties, Ohio.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  14. 34
    Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 348. Coal resources of the Russell Fork basin in Kentucky and Virginia.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  15. 35
    Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 362. Mine sampling and chemical analyses of coals tested at the United States fuel-testing plant Norfolk, Va. in 1907.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  16. 36
    Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 363. Comparative tests of run-of-mine and briquetted coal on locomotives including torpedo-boat tests and some foreign specifications for briquetted fuel.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  17. 37
    Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 366. Tests of coal and briquets as fuel for house-heating boilers.
    Published 1908
    Connect to the full text of this electronic book
    Government Document eBook
  18. 38
    Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 368. Washing and coking tests of coal at the fuel-testing plant, Denver, Colo. July 1, 1907, to June 30, 1908.
    Published 1909
    Connect to the full text of this electronic book
    Government Document eBook
  19. 39
    Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 373. The smokeless combustion of coal in boiler plants with a chapter on central heating plants.
    Published 1909
    Connect to the full text of this electronic book
    Government Document eBook
  20. 40
    Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 378. Results of purchasing coal under government specifications.
    Published 1909
    Connect to the full text of this electronic book
    Government Document eBook
Search Tools: RSS Feed – Email Search