Or, The Past and Present of the United States, Historical and Descriptive. In Two Volumes, Containing the General and Local Histories and Descriptions of Each of the States, Territories, Cities, and Towns of the Union; Also Biographical Sketches of Distinguished Persons ... Illustrated by Six Hundred Engravings ... Almost Wholly from Drawings Taken on the Spot by the Authors, the Entire Work Being on Their Part the Result of Over 16,000 Miles of Travel and Four Years of Labor