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.Mode of access: Internet
Each volume also has a distinctive title.Mode of access: Internet.Prepared by: Illinois State Geolog...
"Illinois coal mining investigations cooperative agreement" (Report prepared under cooperation with ...
Mode of access: Internet.Prepared in cooperation with the U. S. Geological Survey
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 ...
At head of title: State of Illinois. Dept. of registration and education. Division of State geologic...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
"Illinois coal mining investigations coöperative agreement. (This report was prepared under a coöpe...
"From the Annual report of the chief to the director, Department of registration and education for f...
On cover: vol. 1 no. 4.Prepared under a cooperative agreement between State Geological Survey, Dept....
"Illinois coal mining investigations, cooperative agreement. (This report was prepared under a coope...
No. 1 issued 1934; no. 2 issued 1933.Mode of access: Internet.Prepared in cooperation with the U.S. ...
Prepared under a cooperative agreement between the Illinois State Geological Survey, the Engineering...
No. 1 (Preliminary report on organization and method of investigation) published without series titl...
Mode of access: Internet.Reports are often prepared in cooperation with the U.S. Geological Survey a...
Each volume also has a distinctive title.Mode of access: Internet.Prepared by: Illinois State Geolog...
"Illinois coal mining investigations cooperative agreement" (Report prepared under cooperation with ...
Mode of access: Internet.Prepared in cooperation with the U. S. Geological Survey
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 ...
At head of title: State of Illinois. Dept. of registration and education. Division of State geologic...
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering ...
"Illinois coal mining investigations coöperative agreement. (This report was prepared under a coöpe...
"From the Annual report of the chief to the director, Department of registration and education for f...
On cover: vol. 1 no. 4.Prepared under a cooperative agreement between State Geological Survey, Dept....
"Illinois coal mining investigations, cooperative agreement. (This report was prepared under a coope...
No. 1 issued 1934; no. 2 issued 1933.Mode of access: Internet.Prepared in cooperation with the U.S. ...
Prepared under a cooperative agreement between the Illinois State Geological Survey, the Engineering...
No. 1 (Preliminary report on organization and method of investigation) published without series titl...
Mode of access: Internet.Reports are often prepared in cooperation with the U.S. Geological Survey a...
Each volume also has a distinctive title.Mode of access: Internet.Prepared by: Illinois State Geolog...
"Illinois coal mining investigations cooperative agreement" (Report prepared under cooperation with ...
Mode of access: Internet.Prepared in cooperation with the U. S. Geological Survey