A seismic refraction survey of the lower Illinois Valley bottomlands
By: Paul C. Heigold and Robert W. Ringler.
Contributors: Ringler, Robert W., joint author.
Series: Circular - Illinois State Geological Survey Division ; 507; Circular (Illinois State Geological Survey) ;; 507.
Publisher: Illinois Institute of Natural Resources; Illinois State Geological Survey Division
Published: 1979
Place of publication: [Chicago]; Urbana
Language: eng
Number of pages: 18
Subjects: Geology -- Illinois -- Illinois Valley.; Seismic refraction method.
Notes: Bibliography: p. 18.