Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 390. Geology of the Lewistown coal field, Montana.

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)

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)

Coal geology and coal technology /
Published: (1984)

Montana coal : a guide to coal geology, resources and production /
by: Cole, Gary A.
Published: (1980)

Coal geology of Montana /
Published: (1992)

Department of the Interior. Albert B. Fall, Secretary. United States Geological Survey. George Otis Smith, Director. Bulletin 720 Economic geology of the Summerfield and Woodsfield quadrangles, Ohio with descriptions of coal and other mineral resources except oil and gas.
Published: (1923)

Geology of the Lewistown coal field, Montana /
by: Calvert, William R.
Published: (1909)

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)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 385. Briquetting tests at the United States fuel-testing plant Norfolk, Virginia, 1907-8.
Published: (1909)

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)

Engineering geology applied to the design and operation of underground coal mines /
by: Dunrud, C. Richard
Published: (1998)

Stratigraphy and economic geology of the Great Falls-Lewistown coal field, central Montana /
by: Silverman, A. J. (Arnold J.), 1931-

[Geological Survey bulletin 415; Coal fields of northwestern Colorado and northeastern Utah].
Published: (1910)

Geology and coal resources of the Cahaba coal field /
Published: (1995)

Geologic disturbances in Illinois coal seams /
by: Nelson, W. John
Published: (1983)

Geology of potential coal stripping areas : Prairie Hill Area, Missouri /
by: Work, David M.
Published: (1982)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 596. Geology and coal resources of North Park, Colorado.
Published: (1915)

[Geological Survey bulletin 424; Valuation of public coal lands].
Published: (1910)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Professional Paper 78 geology and ore deposits of the Philipsburg Quadrangle Montana.
Published: (1913)

Twenty-ninth Annual Report of the Director of the United States Geological Survey.
Published: (1908)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 587. Geology and mineral resources of Kenai Peninsula, Alaska.
Published: (1915)

Department of the Interior. Hubert Work, Secretary. United States Geological Survey. George Otis Smith, Director. Bulletin 718. Geology and ore deposits of the Creede district, Colorado.
Published: (1923)

[Geological Survey bulletin 412; Tests of run-of-mine and briquette coal].
Published: (1909)

[Geological Survey bulletin 428; Purchase of coal by Government under specifications].
Published: (1910)

Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Contributions to economic geology 1905.
Published: (1906)

Geological and mining report on the Leinster coal district /
by: Griffith, Richard John, Sir, 1784-1878
Published: (1814)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 543. Geology and geography of a portion of Lincoln County, Wyoming.
Published: (1914)

[Geological Survey bulletin 403; Comparative tests of run-of-mine and briquetted coal].
Published: (1909)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 588. The constitution of the natural silicates.
Published: (1914)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 364. Geology and mineral resources of the Laramie basin, Wyoming. A preliminary report.
Published: (1909)

Geology and coal resources of the southeastern Kansas coal field : in Crawford, Cherokee and Labette counties /
by: Pierce, William Gamewell, 1904-
Published: (1938)

Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Economic geology of the Kittanning and Rural Valley quadrangles, Pennsylvania.
Published: (1906)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 523. Nitrate deposits.
Published: (1912)

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 369. The prevention of mine explosions report and recommendations.
Published: (1908)

Some engineering geologic factors controlling coal mine subsidence in Utah and Colorado /
by: Dunrud, C. Richard

Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 583. Colorado Ferberite and the Wolframite Series.
Published: (1914)