1-22 of 22 Books

Type and figured fossils in the Worthen collection at the Illinois State Geological Survey
By Illinois State Geological Survey

Stratigraphic policy of the Illinois State Geological Survey
By Willman, H. B.
Paleobotanical studies and collections
Paleobotanical studies and collections
By Tom L. Phillips
Architects contribute to Illinois development
Architects contribute to Illinois development
By Joseph F. Booton

Operation of the Illinois State Geological Survey
By Morris M. Leighton

Types of late Cenozoic gastropods in the Frank Collins Baker Collection
By Dr. A. Byron Leonard

Illinois State Geological survey
By Robert Edward Bergstrom

Mineral resource research and activities of the State Geological Survey, 1948-1949
By Morris M. Leighton

Industrial minerals and metals publications of the Illinois State Geological Survey through December 1989
By Jonathan H. Goodwin

Industrial minerals publications of the Illinois State Geological Survey through December 1978
By J. E. Lamar

Administrative report and economic and geological papers
By Illinois State Geological Survey

Papers presented at the Quarter centennial celebration of the Illinois State Geological Survey
By Illinois State Geological Survey

Author index of ISGS publications through September 1995
By Gary B. Dreher

The Illinois State geological survey in war mineral research
By Illinois State Geological Survey

The historical development of the Illinois coal industry and the State Geological Survey
By Morris M. Leighton

The educational extension program of the Illinois State Geological Survey
By Gilbert O. Raasch

Illinois State Geological Survey
By Illinois State Geological Survey

Kane County water well database
By J. James Eidel

Illinois State Geological Survey
By Illinois State Geological Survey

Mineral resource research, 1946-1947, by the Illinois State Geological Survey
By Morris M. Leighton

Perspectives in geology
By Illinois State Geological Survey