Quadrangle Maps

Quadrangle mapping is conducted at the ISGS under a variety of programs. The programs exist for different purposes and require different levels of scientific review. Maps are published in specific Series based on the program under which they were created and the corresponding level of review. The quadrangle links on this page access all downloadable quadrangle-scale maps except Coal and Oil and Gas, which are maintained separately. Please use the Coal Maps or Oil and Gas Maps links to access those maps. Link to quadrangle pages from the map or the alphabetical list. Digital (GIS) data are available for some of these geologic maps.

Quandrangles
Altenburg	Marine
Alton	Marion
Ames	Marseilles
Anna	Mascoutah
Antioch	McClure
Aurora North	McHenry
Aurora South	Mermet
Ava	Metropolis
Bandana	Mill Creek
Barrington	Millstadt
Beecher West	Monks Mound
Bethalto	Mt. Pleasant
Big Rock	Murphysboro
Blackhawk	Naperville
Bloomfield	New Athens East
Brownfield	New Athens West
Brussels	New Douglas
Cache	Nutwood
Cahokia	Oak Hill
Cairo	Oakville
Carbondale	O'Fallon
Carrier Mills	Olmsted
Chester	Oraville
Chillicothe	Oregon
Cobden	Ottawa
Collinsville	Paderborn
Columbia	Paducah East
Crab Orchard	Paducah NE
Crab Orchard Lake	Pingree Grove
Creal Springs	Pittsburg
Crystal Lake	Pomona
Cypress	Prairie Center
Dongola	Prairie du Rocher
Dunlap	Prairietown
Eddyville	Pulaski
Edwardsville	Putnam
Elburn	Raddle
Elgin	Ransom
Elsah	Red Bud
Equality	Reevesville
Fishhook	Renault
Foley	Richmond
Forsyth	Rockwood
Fox Lake	Rome
Freeburg	Rudement
French Village	Selma
Geneva	Shawneetown
Glendale	Sheridan
Goreville	Shetlerville
Gorham	Smithland
Grafton	Spring Bay
Granite City	Spring Valley
Grantfork	St. Jacob
Grayslake	Starved Rock
Hampshire	Steger
Harrisburg	Stonefort
Henry	Streamwood
Herod	Streator North
Herrin	Sugar Grove
Highland	Tamms
Huntley	Tonica
Johnston City	Troy Grove
Jonesboro	Valmeyer
Joppa	Vergennes
Karbers Ridge	Vienna
Karnak	Villa Grove
Kellerville	Vincennes
Lacon	Wadsworth
Ladd	Waltersburg
LaSalle	Ware
Lake Zurich	Waterloo
Lebanon	Wauconda
Leland	Waukegan
Leonore	Welge
Libertyville	West Chicago
Lick Creek	Wheeling
Little Cypress	Willisville
Long Point	Winfield
Mackinaw	Wolf Lake
Makanda	Wood River
Maple Park	Worden
Marengo North	Zion
Marengo South

Updated 10/5/2009 JKH