Hydrogeology Section Photo Page
Sam Panno explores a crevice type cave in
northeastern Illinois.
Steve Sargent prepares explosives for seismicrefraction survey.
Test drilling the Mahomet Aquifer.
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 Illinois.
Sam Panno and Sam Indurante of the Illinois
Department of Agriculture record descriptions
of soils exposed in a fresh sinkhole collapse.
Robert Vaiden describes the geological history
of Illinois using a hands-on demonstration called
Build Illinois, as part of our Geoscience Education
program.
Updated 12/8/2009 SLD