Title: A history of erosion in the Anacostia drainage basin ..
Subjects: Floods, Erosion
Places: D.C.) Anacostia River (Md. and Wash., D.C.) Anacostia River Valley (Md. and Wash., Anacostia River (Md. and Wash., D.C.), Anacostia River Valley (Md. and Wash., D.C.)