Display of promising interior and exterior building stones of northern and western Illinois.

APA Citation

Illinois State Geological Survey. (1934). Display of promising interior and exterior building stones of northern and western Illinois. [Urbana, Ill.]: State of Illinois, Dept. of Registration and Education, Division of the State Geological Survey.

MLA Citation

Illinois State Geological Survey. Display of Promising Interior And Exterior Building Stones of Northern And Western Illinois. [Urbana, Ill.]: State of Illinois, Dept. of Registration and Education, Division of the State Geological Survey, 1934.