Scope and Contents Correspondence: Big Canyon on Washita River; Deep Red Run; Big Elk Creek; Little Elk Creek; Salt Fork; Elm Creek; Saddle Mountain Creek; Turkey Creek; Red River downstream from Denison Dam; Arkansas River and tributaries; Grand River improvements; dry Cimarron River, New Mexico; Kenton reservoir; Cimarron River; Fort Gibson Dam and Reservoir; Hulah Dam and Reservoir.