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Physiographic provinces of Illinois

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Physiographic provinces of Illinois.jpg An eye sketch of the Falls of NiagaraMiniaturesExtent of the main glacial advancesAn eye sketch of the Falls of NiagaraMiniaturesExtent of the main glacial advancesAn eye sketch of the Falls of NiagaraMiniaturesExtent of the main glacial advancesAn eye sketch of the Falls of NiagaraMiniaturesExtent of the main glacial advancesAn eye sketch of the Falls of NiagaraMiniaturesExtent of the main glacial advancesAn eye sketch of the Falls of NiagaraMiniaturesExtent of the main glacial advancesAn eye sketch of the Falls of NiagaraMiniaturesExtent of the main glacial advances

Physiography is the study of the creation and gradual change of land surface forms (the landscape). Thus, the land surface as we see it today in each of the physiographic provinces has had a particular history of development.

Driftless Area
Wisconsinan Moraines
Illinoian Till Plain
Mississippi River
Wabash River
Shawnee Hills
Ohio River