ISGS staff members Phil Reed, Dave Larson, and Bev Herzog work with
driller Jet Hall in preparing to run a geophysical log.
Keith Hackley sampling an Illinois State Water Survey well drilled
into the Mahomet Aquifer near Paxton, Illinois.
Test pumping for the village of Homer. This well field was located
based on the results of an electrical earth resistivity survey.
Sam Panno sets up an automatic sampler at a spring in southwestern
Sam Panno and Sam Indurante of the Illinois Department of
Agriculture record descriptions of soils exposed in a fresh sinkhole
Robert Vaiden describes the geological history of Illinois using a
hands-on demonstration called Build Illinois, as part of our
Geoscience Education program.