Add to ORKGOn cover: University of Illinois bulletin. Vol. XXII, no. 51."Illinois coal mining investigations coöperative agreement."This report was prepared under a coöperative agreement between the Engineering Experiment Station of the University of Illinois, the Illinois State Geological Survey, and the U.S. Bureau of mines.
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
"Illinois coal mining investigations coöperative agreement. (This report was prepared under a coöpe...
"This bulletin represents work done under a cooperative agreement between the Bureau of mines, Depar...
On cover: University of Illinois bulletin. Vol. XXII, no. 51."Illinois coal mining investigations co...
Prepared under a coo??perative agreement between the Engineering Experiment Station of the Universit...
Cover title."Illinois coal mining investigations coo??perative agreement. (This report was prepared ...
Illinois coal mining investigations, cooperative agreement. (This report was prepared under a cooper...
This report was prepared under a coo??perative agreement between the Engineering Experiment Station ...
"Illinois coal mining investigations, cooperative agreement. (This report was prepared under a coope...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
This report was prepared under a coo??perative agreement between the Engineering Experiment Station ...
Reprinted extract from Bulletin no. 27."Illinois mining investigations, prepared under a cooperative...
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 ...
At head of title: State Geological Survey, Department of Mining Engineering, University of Illinois,...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
"Illinois coal mining investigations coöperative agreement. (This report was prepared under a coöpe...
"This bulletin represents work done under a cooperative agreement between the Bureau of mines, Depar...
On cover: University of Illinois bulletin. Vol. XXII, no. 51."Illinois coal mining investigations co...
Prepared under a coo??perative agreement between the Engineering Experiment Station of the Universit...
Cover title."Illinois coal mining investigations coo??perative agreement. (This report was prepared ...
Illinois coal mining investigations, cooperative agreement. (This report was prepared under a cooper...
This report was prepared under a coo??perative agreement between the Engineering Experiment Station ...
"Illinois coal mining investigations, cooperative agreement. (This report was prepared under a coope...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
This report was prepared under a coo??perative agreement between the Engineering Experiment Station ...
Reprinted extract from Bulletin no. 27."Illinois mining investigations, prepared under a cooperative...
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 ...
At head of title: State Geological Survey, Department of Mining Engineering, University of Illinois,...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
"Illinois coal mining investigations coöperative agreement. (This report was prepared under a coöpe...
"This bulletin represents work done under a cooperative agreement between the Bureau of mines, Depar...