28th annual Tri-State Geological guidebook
Subtitle: Western Illinois, October 17 and 18, Quincy, Illinois
By: [by] Charles Collinson
Contributors: Tri-State Geological Field Conference (28th : 1964 : Quincy, Ill.)
Series: Illinois State Geological Survey. Guidebook series -- 6; Tri-State Field Conference -- no.28; Guidebook series (Illinois State Geological Survey) -- 6.; Tri-State Field Conference -- no.28
Publisher: Illinois State Geological Survey
Published: 1964
Place of publication: Urbana]
Language: eng
Number of pages: 30
Subjects: Geology
Notes: Bibliography: p. [30].