Guide leaflet, geological science field trip, Port Byron area
Subtitle: Rock Island County, Port Byron, Cordova and Erie quadrangles
By: sponsored by Illinois State Geological Survey ; leaders, George M. Wilson and George E. Ekblaw
Contributors: Illinois State Geological Survey
Series: Guide leaflet -- 1955D; Guide leaflet (Illinois State Geological Survey) -- 1955D.
Publisher: Dept. of Registration and Education, State Geological Survey Division
Published: 1955
Place of publication: Urbana, IL
Language: eng
Subjects: Geology
Other titles: Geological science field trip, Port Byron area.; Port Byron area.
Notes: Cover title.

September 17, 1955.