Developments in Eastern Interior Basin, 1939 and first quarter of 1940 /
Alfred H. Bell.
APA Citation
Bell, A. Hannam., Illinois State Geological Survey. (1940). Developments in Eastern Interior Basin, 1939 and first quarter of 1940. Urbana: Illinois State Geological Survey.
MLA Citation
Bell, Alfred Hannam, 1895-, and Illinois State Geological Survey. Developments In Eastern Interior Basin, 1939 And First Quarter of 1940. Urbana: Illinois State Geological Survey, 1940.
Warning: These citations may not always be complete (especially for serials).