"This report presents the results of the pre-impoundment investigations" of Ray Roberts Lake. The purpose of the study is "to improve understanding of the impact of [U.S. Army Corps of Engineers] water resource projects, to provide the basis for evaluating the projects' effects on fish and wildlife resources, and to provide the opportunity for better planning and development of water resource projects and natural resource management" in the Lake Ray Roberts area, located in Denton County, Texas (p. 3).

This report describes archaeological testing at a site known as Fort St. Leon in Louisiana. Studies were made of levee building, geomorphology, and comparison of archival maps and aerial photographs, which contribute to the understanding of human activity as well as geological processes at the site.