Although he did not travel farther inland than the slopes of the Appalachians, Thomas Jefferson must take his place alongside Zebulon Pike, Kit Carson, Jim Bridger, and Lewis and Clark--the men who blazed the great western trails. Donald Jackson cogently recounts Jefferson’s fundamental role in promoting and shaping the exploration, settlement, and development of the Trans-Mississippi West.   Donald C. Jackson, Cornelia F. Hugel Professor of History at Lafayette College, Easton, Pennsylvania, is the author of Building the Ultimate Dam. James P. Ronda , is retired as Professor at the University of Tulsa, where he held the H. G. Barnard Chair of Western American History. He is widely recognized for his extensive scholarship on the Lewis and Clark expedition, including the pathbreaking Lewis and Clark Among the Indians . He is also a distinguished historian of the early American fur trade , Astoria and Empire . Professor Ronda’s recent publications include The West the Railroads Made . Used Book in Good Condition