Definition: The geographic area of the Great Lakes in general and when the specific state or states are not indicated. It usually includes Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania, and Wisconsin.
includes Minn, Mich, Wisc, Ohio, Ill, Penna, Ind & NY; specify as needed but use GREAT LAKES REGION when text uses the term & when the region is the intent of the author CATALOG: use for 4 or more states
ExamplesIllinois; Indiana; Michigan; Minnesota; New York; Ohio; Pennsylvania; Wisconsin