Add to ORKGAt head of title: U.S. Department of Commerce, R.P. Lamont, secretary. Bureau of Mines, Scott Turner, director.The Maryland coal fields / by E.B. Mathews -- Methods of mining and preparation of coal / by J.J. Rutledge, L.N. Plein and J.N. Geyer --Production, distribution, and use / by F.G. Tryon -- Relation of mine samples to commercial shipments / by N.H. Snyder and L.N. Plein -- Analyses of delivered coal / by N.H. Snyder and L.N. Plein -- Analyses of mine samples / by A.C. Fieldner, H.M. Cooper and F.D. Osgood -- Description of samples / comp. by F.D. Osgood.Mode of access: Internet
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: U.S. Department of commerce. R.P. Lamont, secretary. Bureau of mines. Scott Turner...
The coal fields of Washington, by S.A. Ash. -- Methods of mining and preparation of coal, by H.F. Ya...
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: United States Dept. of the Interior, Harold L. Ickes, secretary. Bureau of Mines, ...
At head of title: Department of the interior. Hubert Work, secretary. Bureau of mines. H. Foster Bai...
Running title: Analyses of coal.At head of title: ... Department of the interior. Franklin K. Lane, ...
Includes index.Reprinted in 1926 as Geological survey of Alabama, Bulletin 31.At head of title: Depa...
"Special publication, Report on the coals of Maryland, volume V, part IV.At head of title : Maryland...
At head of title: United States Department of the Interior, Harold L. Ickes, secretary; Bureau of Mi...
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 ... Bureau of Mines.Cover title."Publications ...
At headf of title: United States Dept. of the Interior ... Bureau of Mines."Publications in the surv...
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: U.S. Department of commerce. R.P. Lamont, secretary. Bureau of mines. Scott Turner...
The coal fields of Washington, by S.A. Ash. -- Methods of mining and preparation of coal, by H.F. Ya...
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: United States Dept. of the Interior, Harold L. Ickes, secretary. Bureau of Mines, ...
At head of title: Department of the interior. Hubert Work, secretary. Bureau of mines. H. Foster Bai...
Running title: Analyses of coal.At head of title: ... Department of the interior. Franklin K. Lane, ...
Includes index.Reprinted in 1926 as Geological survey of Alabama, Bulletin 31.At head of title: Depa...
"Special publication, Report on the coals of Maryland, volume V, part IV.At head of title : Maryland...
At head of title: United States Department of the Interior, Harold L. Ickes, secretary; Bureau of Mi...
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 ... Bureau of Mines.Cover title."Publications ...
At headf of title: United States Dept. of the Interior ... Bureau of Mines."Publications in the surv...
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: U.S. Department of commerce. R.P. Lamont, secretary. Bureau of mines. Scott Turner...