This report brings together data and description of demographic, economic development, and public sectors which identify current conditions in the area of the McClellan-Kerr Arkansas River Navigation System for the years 1971-1974. The project includes the navigation channel extending from the Mississippi River to Catoosa, Oklahoma and the three major upstream lakes which were originally authorized in the navigation plan, costing over $1.2 billion. The primary impact area described in the report includes 28 countries bordering the waterway and the three upstream lakes.