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
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title."Illinois coal mining investigations coo??perative agreement. (This report was prepared ...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
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 ...
No. 33 is the final no. of this series.Subtitle varies: no. 161̲8, 20, Illinois coal mining investig...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title."Illinois coal mining investigations coo??perative agreement. (This report was prepared ...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
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 ...
No. 33 is the final no. of this series.Subtitle varies: no. 161̲8, 20, Illinois coal mining investig...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title."Illinois coal mining investigations coo??perative agreement. (This report was prepared ...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...