Add to ORKGPrepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering of the University of Illinois, and U.S. Bureau of Mines.On cover: vol. 1 no. 4
No. 33 is the final no. of this series.Subtitle varies: no. 161̲8, 20, Illinois coal mining investig...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
At head of title: State Geological Survey, Department of Mining Engineering, University of Illinois,...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering,...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
At head of title: State of Illinois. Department of registration and education. Division of the state...
Reprint from edition of 1915.At head of title: State of Illinois. Department of registration and edu...
Prepared under a coo??perative agreement between the Engineering Experiment Station of the Universit...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
No. 33 is the final no. of this series.Subtitle varies: no. 161̲8, 20, Illinois coal mining investig...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
At head of title: State Geological Survey, Department of Mining Engineering, University of Illinois,...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering,...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
At head of title: State of Illinois. Department of registration and education. Division of the state...
Reprint from edition of 1915.At head of title: State of Illinois. Department of registration and edu...
Prepared under a coo??perative agreement between the Engineering Experiment Station of the Universit...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
No. 33 is the final no. of this series.Subtitle varies: no. 161̲8, 20, Illinois coal mining investig...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...