The Shape of Time in Buffalo Valley; Farmsteads and Barns of Union County, Pennsylvania discusses the history of farm making and barn building; the creation of farms as the motive for settlement of Buffalo Valley in the late 1700s and the subsequent history of farming through the Great Depression in the early 20th century; and the economics of farming, market forces, and ethnic traditions influencing farms and the landscape. The discussion of barn-building and technological changes, from stacked logs to timberframing, is richly illustrated with drawings, photos, and maps.