Investigation of lignite coal.

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

Coal investigation agency.
Published: (1922)

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

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

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)

Coal Mine Inspection Act.
Published: (1941)

Investigations in coal mines.
Published: (1941)

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

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

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

Inspections of coal mines.
Published: (1939)

West Virginia coal fields.
Published: (1922)

Letter from the Secretary of the Treasury, transmitting copy of a communication from the Secretary of the Interior submitting an estimate of appropriation required by the Bureau of Mines for the service of the fiscal year 1920 to carry on the investigation for utilization of lignite coal as fuel.
Published: (1919)

Inspections of coal mines.
Published: (1941)

Gas investigation.
Published: (1894)

Lignite coals and peat.
Published: (1919)

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

Conditions in bituminous coal and lignite mines.
Published: (1947)

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)

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)

Investigation of the War Department -- aircraft production.
Published: (1918)

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

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

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)

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)

Federal mine safety code for bituminous-coal and lignite mines of the United States. : July 24, 1946.
Published: (1946)

Requesting certain information of the Secretary of War.
Published: (1911)

Bituminous coal and lignite production and mine operations.

Establishing a code for health and safety in bituminous-coal and lignite mines of the United States.
Published: (1947)

Establishing a code for health and safety in bituminous-coal and lignite mines of the United States.
Published: (1947)

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

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)

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

Coal and the coal mines
by: Greene, Homer, 1853-1940
Published: (1889)

[Importation of Steel Scrap].
Published: (1948)