Guide leaflet Marseilles-Ottawa area
Subtitle: LaSalle County ; Marseilles and Ottawa quadrangles
By: leader: George M. Wilson ; host: Marseilles High School
Series: Guide leaflet -- 56D; Guide leaflet (Illinois State Geological Survey) -- 56D
Publisher: Illinois State Geological Survey
Published: 1956
Place of publication: Urbana
Language: eng
Number of pages: 15
Subjects: Geology; Géologie; Field trip guide leaflet
Other titles: Earth science field trip ; guide leaflet ; Marseilles-Ottawa area; Marseilles and Ottawa quadrangles
Notes: Cover title.

"Earth science field trip" at head of title.