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).