
Bogs in Illinois Beach State Park 
Accreted, layered sand, now being eroded. Piezometer in background 
Coring drill rig, Will Co. IL 
Team Photo, winter at the beach 
Overwash, erosion, accretion, Illinois Beach State Park 
ERT at Lighthouse Park 
TEM near Monticello, IL 
TEM set up in corn field 
Grosse Point Lighthouse, Evanston, IL 
Grosse Point Lighthouse from the beach, Evanston, IL 
Harley Park Mansion, Evanston, IL 
Gilson Park Beach, Wilmette, IL 
Baha’i Temple, Wilmette, IL 
ERT along Gilson Park Beach 
Frozen sand next to ERT cable at Gilson Park Beach, Wilmette, IL 
Waves crashing over pier at Tower Road Park and Beach, Winnetcka, Il 
Tower Road Park and Beach, Winnetcka, Il 
Bog in northern Illinois 
ERT equipment running along bog in northern Illinois 
Vertical Seismic Profiling near Decatur, IL 
Grain Elevator near Rising, IL 
The Sangamon River 
ERT Crew in N. Illinois 
ERT Work in N. Illinois 
GPR work 
GPR in fields near Savoy, IL 
GPR among cassava plants, Savoy, IL 

Our “office” on Lake Michigan 
Inside our “office” on Lake Michigan 
ERT in Illinois Beach State Park 
Erosion threatens infrastructure in Illinois Beach State Park 
Erosion from lake eats at abandoned homes 
ERT in Illinois Beach State Park 
ERT in Illinois Beach State Park 
Vertical Seismic profiling, Decatur, IL 
(Cold) ERT work in Winnetka, IL 
A critter helps us with geophysics at the beach 
Sunrise over Illinois Beach State park 
(Cold) ERT work in Winnetka, IL 
ERT in Wilmette, IL 
ERT at Grosse Point Lighthouse 
Transient Electro-Magnetic (TEM), Monticello, IL 
Illinois Beach State Park from water 
Waves crash over pier in Winnetka, IL 
Frozen sand in Wilmette, IL 
ERT at Spring Creek Trail, Will Co., IL 
Frigid morning at Illinois Beach State Park 
Illinois Beach State Park 
Overwash at Illinois Beach State Park 
Our coring “office,” Will County, IL 
Transient Electro-Magnetic (TEM), Monticello, IL 
Chicago skyline 43 miles distant, from Illinois Beach State Park 

Dead River stopped up by sand 
Beautiful evening on Lake Michigan 
Sand barrier and water pooling near Dead River 
Spring Creek Trail reeds near ERT line, Will Co., IL 




Coring Rig atop Cerro Gordo Morraine, Piatt Co. IL 


Measuring water level in monitoring well, DuPage Co. IL 

Dune grass at Illinois Beach State Park 




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