Electronic Documents of Illinois

The Electronic Documents of Illinois provides permanent public access to official publications of the State of Illinois which have been deposited in electronic form.

Creator Organization: Illinois State Library

Showing 1 - 4 of 4 Records

Bedrock topography of Coumbia Quadrangle, Monroe and St. Clair Counties, Illinois

Part of: Electronic Documents of Illinois

Map (one sheet) describing the bedrock topography of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois. scale 1:24000

Date Created:
2008-06-05

Image

Quaternary Deposits and History of the Ancient Mississippi River Valley, North-Central Illinois

Part of: Electronic Documents of Illinois

Guidebook for the 51st Midwest Friends of the Pleistocene field trip, May 13-15, 2005. This field trip examines surface exposures and data from cores that reveal the succession of glacial, proglacial and interglacial deposits and paleosols along the Ancient Mississippi River valley.