P12-200-2830NA Flood Damage Repair in Langell Valley - Klamath Project - Oregon - California. Specs. 200C-591, Contractor - Patterson Construction Co. Contractors riprap source is basalt talus, in Sec. 35, T. 40 S., R. 13 E., 1 1/4 mile west of Lost River; May 1, 1965; Bureau of Reclamation photo by D. W. Stein