At head of title: United States Department of the Interior ... Bureau of Mines.Cover title.Publications on the survey of carbonizing properties of American coals: p. 37-40.Mode of access: Internet
Running title: Carbonizing properties, Sewell coal, Wyoming Mine, W. Va.At head of title: United Sta...
At head of title: United States Department of the Interior, Harold L. Ickes, Secretary; Bureau of Mi...
"This report represents the results of work done under a cooperative agreement between the Bureau of...
At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary; Bureau of mines, ...
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 ... Bureau of Mines.Cover title."Publications ...
At head of title: United States Dept. of the interior. Harold L. Ickes, secretary. Bureau of mines, ...
"Publications on the survey of carbonizing properties of American coals": p. 44-46.At head of title:...
At head of title: United States Dept. of the interior. Harold L. Ickes, secretary. Bureau of mines. ...
"Publications on the survey of carbonizing properties of American coals": p. 43-45.At head of title:...
Publications on the survey of carbonizing properties of American coals :p. 35-38.Mode of access: Int...
"Previous publications on the survey of carbonizing properties of American coals": p. 64-65.At head ...
"Publications on the survey of carbonizing properties of American coals" p. 32-35.At head of title: ...
"Publications on the survey of carbonizing properties of American coals": p. 44-46.At head of title:...
At head of title: U.S. Department of the Interior, Harold L. Ickes, secretary; Bureau of Mines, John...
Running title: Carbonizing properties, Sewell coal, Wyoming Mine, W. Va.At head of title: United Sta...
At head of title: United States Department of the Interior, Harold L. Ickes, Secretary; Bureau of Mi...
"This report represents the results of work done under a cooperative agreement between the Bureau of...
At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary; Bureau of mines, ...
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 ... Bureau of Mines.Cover title."Publications ...
At head of title: United States Dept. of the interior. Harold L. Ickes, secretary. Bureau of mines, ...
"Publications on the survey of carbonizing properties of American coals": p. 44-46.At head of title:...
At head of title: United States Dept. of the interior. Harold L. Ickes, secretary. Bureau of mines. ...
"Publications on the survey of carbonizing properties of American coals": p. 43-45.At head of title:...
Publications on the survey of carbonizing properties of American coals :p. 35-38.Mode of access: Int...
"Previous publications on the survey of carbonizing properties of American coals": p. 64-65.At head ...
"Publications on the survey of carbonizing properties of American coals" p. 32-35.At head of title: ...
"Publications on the survey of carbonizing properties of American coals": p. 44-46.At head of title:...
At head of title: U.S. Department of the Interior, Harold L. Ickes, secretary; Bureau of Mines, John...
Running title: Carbonizing properties, Sewell coal, Wyoming Mine, W. Va.At head of title: United Sta...
At head of title: United States Department of the Interior, Harold L. Ickes, Secretary; Bureau of Mi...
"This report represents the results of work done under a cooperative agreement between the Bureau of...