Illinois State Geological Survey Bulletin No49 Geology Minerals 1926 Plates Map

ILLINOIS STATE GEOLOGICAL SURVEY BULLETIN NO. 49, GEOLOGY AND MINERAL RESOURCES OF THE DIXON, ILLINOIS FOR 1926
Author: Russell Stafford Knappen
Title: Illinois State Geological Survey Bulletin No. 49, Geology and Mineral Resources of the Dixon Quadrangle, 1926
Publication: Urbana: University of Illinois, 1926

Description: Paperback. First edition, 1926. The cover is separated from the book, 142 pp, illustrated and includes maps.
Included maps
* Plate I - Dixon Quadrangle
* Plate II - Topographical Map Dixon, IL