Exposure of glacial till
in east central Illinois

Geology Web Sites

Physical Geography/Geology Textbook

Oil and Gas Production in Illinois

"Canyons" of the Midwest

Field Trip to South Africa

Geology @ About.com

Illinois State Geological Survey

United States Geological Survey

Topographic Maps of all 50 States

Links to the Geological Surveys of all 50 States

Rock Classes w/Photos and Discussion

Plate Tectonics

Minerals and Rocks Slide Show

Geologic Map of the United States

(Unfortunately this map has no legend)

Esker in Ontario

Several field trips
to various parts of
Illinois -- well
worth a look.

Virtual field trip to Glacial Park in McHenry county Illinois

Field Trips in Illinois

Illinois Landscapes

Large erratic of dolomite
from the floor of what is
now Lake Michigan.

A sand and gravel pit
behind the photographer
supplied these beauties.