Ottawa geological science field trip
By: David L. Reinertsen and Lisa R. Smith
Contributors: Smith, Lisa R.; Illinois State Geological Survey
Series: Field trip / Illinois State Geological Survey Division -- 1986-B; Field trip guide leaflet (Illinois State Geological Survey) -- 1986B.
Publisher: Illinois State Geological Survey Division, Dept. of Energy and Natural Resources
Published: 1986
Place of publication: Champaign, IL
Language: eng
Subjects: Geology
Notes: "May 17, 1986."