The force of moving water / Scott Russell Sanders
The Ohio Valley revisited : images from Nicholas Cresswell and Reuben Gold Thwaites / John A. Jakle
Settlement and selected landscape imprints in the Ohio Valley / Hubert G.H. Wilhelm
The Ohio River : artery of movement / Michael Allen
River of opportunity : economic consequences of the Ohio / Darrel E. Bigham
Engineering the Ohio / Leland R. Johnson
An ecopolitical system of global significance / Boyd Keenan.