Surficial Maps

(Includes suficial geology, drift thickness, three-dimensional, soils and parent materials, construction conditions, orthophoto imagery, overburden thickness)

Quadrangle

Construction Conditions
Villa Grove
Drift Thickness
Antioch	Beecher West/Steger	Crystal Lake	Elgin
Oak Hill	Spring Bay	Villa Grove	Vincennes
Orthophoto Imagery
Antioch	Villa Grove
Poster
Villa Grove
Soils and Parent Materials
Spring Bay
Surficial Geology
Alton	Ames	Antioch	Aurora North
Barrington (EDMAP)	Barrington (STATEMAP)	Beecher West/Steger	Bethalto
Big Rock	Blackhawk	Chillicothe	Collinsville
Columbia	Creal Springs	Crystal Lake	Dunlap
Eddyville	Edwardsville	Elburn	Elgin
Elsah	Freeburg	French Village	Geneva
Grafton	Granite City	Grantfork	Grayslake
Hampshire	Highland	Huntley	Lacon
Ladd	Lake Zurich	LaSalle	Lebanon
Leland	Leonore	Libertyville	Long Point
Mackinaw	Maple Park	Marengo North	Marine
Marseilles	Mascoutah	McHenry	Metropolis
Millstadt	Monks Mound	New Athens East	New Athens West
New Douglas	Oak Hill	Oakville	O'Fallon
Ottawa	Pingree Grove	Prairietown	Prairie Center
Putnam	Ransom	Richmond	Sheridan
Spring Bay	Spring Valley	St. Jacob	Starved Rock
Stonefort	Streamwood	Streator North	Sugar Grove
Tonica	Troy Grove	Villa Grove	Wadsworth
Wauconda	West Chicago	Wheeling	Wood River
Worden
Three-dimensional Model
Antioch	Lake County