""The Upper Devonian Delta of the Appalachian Geosyncline"" is a scientific book written by Joseph Barrell and published in 1914. The book focuses on the geological features of the Appalachian Mountains in North America and specifically examines the Upper Devonian Delta, a geological formation that dates back over 350 million years. Barrell's research is based on extensive fieldwork and laboratory analysis, and he provides detailed descriptions of...