Geologic Terms and Geographic Divisions
353
INDIANA (IN) (92 counties)
Capital: Indianapolis
Capital: Indianapolis
- Adams
- Allen
- Bartholomew
- Benton
- Blackford
- Boone
- Brown
- Carroll
- Cass
- Clark
- Clay
- Clinton
- Crawford
- Daviess
- De Kalb
- Dearborn
- Decatur
- Delaware
- Dubois
- Elkhart
- Fayette
- Floyd
- Fountain
- Franklin
- Fulton
- Gibson
- Grant
- Greene
- Hamilton
- Hancock
- Harrison
- Hendricks
- Henry
- Howard
- Huntington
- Jackson
- Jasper
- Jay
- Jefferson
- Jennings
- Johnson
- Knox
- Kosciusko
- La Porte
- LaGrange
- Lake
- Lawrence
- Madison
- Marion
- Marshall
- Martin
- Miami
- Monroe
- Montgomery
- Morgan
- Newton
- Noble
- Ohio
- Orange
- Owen
- Parke
- Perry
- Pike
- Porter
- Posey
- Pulaski
- Putnam
- Randolph
- Ripley
- Rush
- Scott
- Shelby
- Spencer
- St. Joseph
- Starke
- Steuben
- Sullivan
- Switzerland
- Tippecanoe
- Tipton
- Union
- Vanderburgh
- Vermillion
- Vigo
- Wabash
- Warren
- Warrick
- Washington
- Wayne
- Wells
- White
- Whitley
IOWA (IA) (99 counties)
Capital: Des Moines
Capital: Des Moines
- Adair
- Adams
- Allamakee
- Appanoose
- Audubon
- Benton
- Black Hawk
- Boone
- Bremer
- Buchanan
- Buena Vista
- Butler
- Calhoun
- Carroll
- Cass
- Cedar
- Cerro Gordo
- Cherokee
- Chickasaw
- Clarke
- Clay
- Clayton
- Clinton
- Crawford
- Dallas
- Davis
- Decatur
- Delaware
- Des Moines
- Dickinson
- Dubuque
- Emmet
- Fayette
- Floyd
- Franklin
- Fremont
- Greene
- Grundy
- Guthrie
- Hamilton
- Hancock
- Hardin
- Harrison
- Henry
- Howard
- Humboldt
- Ida
- Iowa
- Jackson
- Jasper
- Jefferson
- Johnson
- Jones
- Keokuk
- Kossuth
- Lee
- Linn
- Louisa
- Lucas
- Lyon
- Madison
- Mahaska
- Marion
- Marshall
- Mills
- Mitchell
- Monona
- Monroe
- Montgomery
- Muscatine
- O'Brien
- Osceola
- Page
- Palo Alto
- Plymouth
- Pocahontas
- Polk
- Pottawattamie
- Poweshiek
- Ringgold
- Sac
- Scott
- Shelby
- Sioux
- Story