Illinois natural resources :
an industrial developmental asset /
Hubert E. Risser.

APA Citation

Risser, H. E. (1964). Illinois natural resources: an industrial developmental asset. Urbana: Illinois State Geological Survey.

MLA Citation

Risser, Hubert E. Illinois Natural Resources: an Industrial Developmental Asset. Urbana: Illinois State Geological Survey, 1964.

Warning: These citations may not always be complete (especially for serials).