Investigations in coal mines.

Investigation of lignite coal.
Published: (1918)

Investigation of wages and labor conditions in coal-mining industry.
Published: (1917)

Investigation of the anthracite coal trust, etc.
Published: (1904)

Inspections of coal mines.
Published: (1939)

Investigation of Paint Creek Coal Fields of West Virginia.
Published: (1914)

Investigation into the high price of anthracite coal.
Published: (1912)

Coal investigation agency.
Published: (1922)

Investigation of mine explosion at Centralia, Ill.
Published: (1947)

Investigation of the so-called anthracite coal trust. Letter from the Attorney-General, transmitting a response to the inquiry of the House as to an investigation of the so-called anthracite coal trust.
Published: (1904)

Investigation of certain coal companies, Two Harbors, Minn.
Published: (1912)

Consideration of H. R. 2082.
Published: (1941)

Conditions in the Coal Mines of Colorado. Appendix to Reply Brief for the Striking Miners.
Published: (1913)

To investigate conditions in the coal fields, Paint Creek, W. Va.
Published: (1913)

Authorizing the General Subcommittee on Labor of the Committee on education and labor to conduct an investigation and study of production of foreign-made goods competing with domestically produced goods and of new developments in coal mine safety and health practices in Great Britain.
Published: (1969)

Report of the Mine Inspector for the Territory of New Mexico.
Published: (1908)

Conditions in the Coal Mines of Colorado. in the Matter of the Hearing to make an Investigation of the Conditions in the Coal Fields of Colorado. Brief for the Striking Miners. by Horace N. Hawkins, Attorney for the United Mine Workers; E. P. Costigan and James H. Brewster, Special Counsel.
Published: (1913)

Conditions in the Coal Mines of Colorado. in the Matter of the Hearing to make an Investigation of the Conditions in the Coal Fields of Colorado. Reply Brief for the Striking Miners. by Horace N. Hawkins, Attorney for the United Mine Workers; E. P. Costigan and James H. Brewster, Special Counsel.
Published: (1913)

Report on the Colorado strike investigation made under House resolution 387.
Published: (1915)

West Virginia coal fields.
Published: (1922)

Creation of a Committee for Investigation of Coal Situation : hearings before the United States House Committee on Rules, Sixty-Sixth Congress, first session, on July 17, 18, 21, 24, 1919.
Published: (1919)

Gas investigation.
Published: (1894)

Coal Mine Safety : hearings before the United States House Committee on Education and Labor, Subcommittee on Coal Mine Safety, Eighty-Second Congress, second session, on Feb. 18-21, 1952.
Published: (1952)

Findings and Recommendations of the Special Subcommittee on Coal Research. Report.
Published: (1957)

Requesting the Secretary of Commerce to submit to the House a statement showing the relative cost of transportation of coal by water and rail.
Published: (1920)

Studies by the Bureau of Mines of bituminous and lignite coal.
Published: (1936)

Studies by the Bureau of Mines of subbituminous and lignite coal.
Published: (1936)

Practical coal mining.
by: Mason, Ernest
Published: (1954)

Coal mining practice /
by: Statham, Ira Cyril Frank, 1886-
Published: (1958)

Report on the Aug. 6, 2007 Disaster at Crandall Canyon Mine.
Published: (2008)

Surface Coal Mining : Characteristics of Mining in Mountainous Areas of Kentucky and West Virginia.
Published: (2009)

Coal mine illumination : proceedings, Bureau of Mines Technology Transfer Seminars.
Published: (1976)

Geologic investigations of underground coal mining problems /
by: McCulloch, C. M. (Charles M.)
Published: (1975)

Investigation of Mine Explosion at Centralia, Ill : hearings before the United States Senate Committee on Public Lands, Subcommittee To Investigate Mine Explosion at Centralia Coal Mine No. 5, Wamac, Ill., March 25, 1947, Eightieth Congress, first session, on Apr. 3-5, 10, 11, 16, 17, 1947.
Published: (1947)

New uses for anthracite coal.
Published: (1939)

Ford coal mine /
Published: (1921)

The coal-mining industry : an international study in planning /
by: Jones, J. Harry (John Harry), 1881-
Published: (1939)