Published by Illinois State Geilogical Survey University of Illinois, Urbana, IL, 1916
First Edition
Hardcover. Condition: Very Good. 1st Edition. Green cloth with gilt titles and State of Illinois seal on cover. Photo and drawings in text. Two large, color, folded maps in rear pocket - one topographic (30" x and the other geologic (31 1/2" x 23"). Maps in fine condition. Interior of book is clean and unmarked. Slight bumps to bottom front corners of covers. A nice copy.
Illustr. Diss. Chicago 1947. X, 263 pages + folding maps in pocket. Softcover. Stamped.[#118846].