At head of title: U.S. Department of Commerce. Roy. D. Chapin, secretary. Bureau of Mines. Scott Turner, director.Running title: Bureau of Mines laboratory tests of coal dust.Mode of access: Internet
Running title: Powdered coal.First edition, January 1923. cf. verso of t.-p.Boiler tests with pulve...
At head of title: United States Department of the Interior ... Bureau of Mines.Cover title.Mode of a...
"Publications on the utilization of coal and lignite": p. 34-36.Running title: Incombustible matter ...
At head of title: Department of Commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turner, ...
"This report represents work done under a cooperative agreement between the Bureau of Mines, Departm...
First edition, June, 1922. cf. verso of t.-p.Most plates printed on both sides.At head of title: Dep...
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
At head of title: U.S. Department of commerce. R. P. Lamont, secretary. Bureau of mines. Scott Turne...
1. Explosibility of coal dust -- 2. Requirements of new regulations -- 3. Sampling the mine dust -- ...
At head of title: U.S. Department of the Inertior. Harold L. Ickes, Secretary. Bureau of Mines. John...
At head of title: United States Dept. of the Interior. Harold L. Ickes, secretary. Bureau of Mines. ...
At head of title: United States Dept. of the interior, Harold L. Ickes, secretary. Bureau of mines, ...
At head of title: ... Department of the interior. Bureau of mines. Joseph A. Holmes, director."Publi...
Prepared for Bureau of Mines Mineral Industry Health Program.Includes bibliographical references.Mod...
At head of title: U.S. Dept. of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
Running title: Powdered coal.First edition, January 1923. cf. verso of t.-p.Boiler tests with pulve...
At head of title: United States Department of the Interior ... Bureau of Mines.Cover title.Mode of a...
"Publications on the utilization of coal and lignite": p. 34-36.Running title: Incombustible matter ...
At head of title: Department of Commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turner, ...
"This report represents work done under a cooperative agreement between the Bureau of Mines, Departm...
First edition, June, 1922. cf. verso of t.-p.Most plates printed on both sides.At head of title: Dep...
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
At head of title: U.S. Department of commerce. R. P. Lamont, secretary. Bureau of mines. Scott Turne...
1. Explosibility of coal dust -- 2. Requirements of new regulations -- 3. Sampling the mine dust -- ...
At head of title: U.S. Department of the Inertior. Harold L. Ickes, Secretary. Bureau of Mines. John...
At head of title: United States Dept. of the Interior. Harold L. Ickes, secretary. Bureau of Mines. ...
At head of title: United States Dept. of the interior, Harold L. Ickes, secretary. Bureau of mines, ...
At head of title: ... Department of the interior. Bureau of mines. Joseph A. Holmes, director."Publi...
Prepared for Bureau of Mines Mineral Industry Health Program.Includes bibliographical references.Mod...
At head of title: U.S. Dept. of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
Running title: Powdered coal.First edition, January 1923. cf. verso of t.-p.Boiler tests with pulve...
At head of title: United States Department of the Interior ... Bureau of Mines.Cover title.Mode of a...
"Publications on the utilization of coal and lignite": p. 34-36.Running title: Incombustible matter ...