Glacial drift in Illinois: thickness and character
By: [by] Kemal Piskin [and] Robert E. Bergstrom.
Contributors: Bergstrom, Robert Edward, joint author.
Series: Illionis. State Geological Survey. Circular; 416; Circular (Illinois State Geological Survey) ;; 416.
Published: 1967
Place of publication: Urbana
Language: eng
Number of pages: 33
Subjects: Drift -- Illinois
Notes: Bibliography: p. 22-25.
Cover title.