Add to ORKGReprinted extract from Bulletin no. 27."Illinois mining investigations, prepared under a cooperative agreement between the Illinois State Geological Survey Division, the Engineering Experiment Station of the University of Illinois, and the U.S. Bureau of Mines.""Cooperative Mining Series, extract A from Bulletin No. 27.
Reprint from edition of 1915.At head of title: State of Illinois. Department of registration and edu...
On cover: University of Illinois bulletin. Vol. XXII, no. 51."Illinois coal mining investigations co...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
No. 33 is the final no. of this series.Subtitle varies: no. 161̲8, 20, Illinois coal mining investig...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
Illinois coal mining investigations, cooperative agreement. (This report was prepared under a cooper...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Cover title."Illinois coal mining investigations coo??perative agreement. (This report was prepared ...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
"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 ...
At head of title: State of Illinois. Department of registration and education. Division of the state...
At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary. Bureau of Mines, ...
Latest issue consulted: Bulletin 31, published 1927.Vol. 20 has previous title.Some issues published...
At head of title: State Geological Survey, Department of Mining Engineering, University of Illinois,...
Reprint from edition of 1915.At head of title: State of Illinois. Department of registration and edu...
On cover: University of Illinois bulletin. Vol. XXII, no. 51."Illinois coal mining investigations co...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
No. 33 is the final no. of this series.Subtitle varies: no. 161̲8, 20, Illinois coal mining investig...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...
Illinois coal mining investigations, cooperative agreement. (This report was prepared under a cooper...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
Cover title."Illinois coal mining investigations coo??perative agreement. (This report was prepared ...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
"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 ...
At head of title: State of Illinois. Department of registration and education. Division of the state...
At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary. Bureau of Mines, ...
Latest issue consulted: Bulletin 31, published 1927.Vol. 20 has previous title.Some issues published...
At head of title: State Geological Survey, Department of Mining Engineering, University of Illinois,...
Reprint from edition of 1915.At head of title: State of Illinois. Department of registration and edu...
On cover: University of Illinois bulletin. Vol. XXII, no. 51."Illinois coal mining investigations co...
Illinois mining investigations prepared under a cooperative agreement between the Illinois State Geo...