KP-2625-R2-Klamath Project -- TULE LAKE SUMP 2, Specifications No. DC-5483, Q-3-b Lateral. D-8 Caterpillar tractor and 18 cubic-yard Woolridge scraper placing lining material solid across the lateral prism at Sta. 47+00; September 18, 1961; Photo by J.A. Renning