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    • Lost River Channel Improvement, Langell Valley

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes -- Maintenance and repair; Lost River (Oregon and California)
    • KP-1946 - Klamath Project. Lost River Channel Improvement, Langell Valley. Structure 14, Specs. 2578, 36" x 30' corrugated metal pipe. Picture shows headwall and rock paving; May 15, 1950; Photo by Andrew M. Bergloff
    • Lost River Channel Improvement, Langell Valley

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes -- Maintenance and repair
    • KP-2160-R2 - Klamath Project. Lost River Channel Improvement, Langell Valley. General view looking downstream from Station 235+50 on left bank. Right-of-way being prepared to hold wet excavation material from channel. Dike extreme left at edge of...
    • Lost River Channel Improvement, Langell Valley

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes -- Maintenance and repair
    • KP-2162-R2 - Klamath Project. Lost River Channel Improvement, Langell Valley. General view of right bank looking downstream form Station 223+50. Picture shows large existing west bank in center foreground and preliminary cut made by contractor...
    • Lost River Channel Improvement, Langell Valley

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes -- Maintenance and repair; Draglines
    • KP-2164-R2 - Klamath Project. Lost River Channel Improvement, Langell Valley. Looking upstream along west bank from Station 246+00, showing draglines excavating channel. Old drain can be seen behind draglines. McKinnon Construction Co., contractor,...
    • Lost River Channel Improvement, Langell Valley

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes -- Maintenance and repair
    • KP-2165-R2 - Klamath Project. Lost River Channel Improvement, Langell Valley. General view looking upstream from Station 223+50. Picture shows old existing spoil banks and drain. McKinnon Construction Co., contractor, Specs. DC-3682; July 2, 1952;...
    • N-Canal Area, 2nd Extension

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes
    • KP-2166-R2 - Klamath Project. Welded steel pipe turnout flume crossing adjacent toe drain. George R. Stacy, contractor, Specs. DC-3445; June 13, 1952; Bureau of Reclamation Photo by Mark D. Taylor, Jr.
    • Pumping Plant "R"

    • Irrigation projects; Klamath Project (U.S.) -- History; Pumping stations -- Design and construction
    • KP-2168-R2 - Klamath Project. Pumping Plant "R". Excavation for north pump completed with piling and imported fill foundation in place. George R. Stacy, contractor - Specs. 200C-173A; July 11, 1952; Bureau of Reclamation Photo by C. O. Wamstad
    • Pumping Plant "R"

    • Irrigation projects; Klamath Project (U.S.) -- History; Pumping stations -- Design and construction
    • KP-2169-R2 - Klamath Project. Pumping Plant "R". Reinforcement. Lower portion of south pump sump before interior form put in place. George R. Stacy, contractor - Specs. 200C-173A; July 11, 1952; Bureau of Reclamation Photo by C. O. Wamstad
    • Pumping Plant "R"

    • Irrigation projects; Klamath Project (U.S.) -- History; Pumping stations -- Design and construction
    • KP-2167-R2 - Klamath Project. Pumping Plant "R". General view of inlet end of structure showing piling and selected backfill for foundation. Side forms erected. George R. Stacy, contractor - Specs. 200C-173A; July 11, 1952; Bureau of Reclamation...
    • N-Canal Area, 2nd Extension

    • Irrigation projects; Klamath Project (U.S.) -- History
    • KP-2170-R2 - Klamath Project. N-Canal Area, 2nd Extension. Inlet end of wasteway, N-1 Lateral. George R. Stacy, contractor - Specs. DC-3455; June 13, 1952; Bureau of Reclamation Photo by C. O. Wamstad
    • TULE LAKE SUMP 3 - Specs. No. DC-5629 - N-12-c Lateral

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes -- Design and construction; Tule Lake Region (California)
    • P12-200-2702 - Klamath Project - TULE LAKE SUMP 3 - Specs. No. DC-5629 - N-12-c Lateral. View of recently-completed lateral looking upstream (north) near check at Station 87+50; January 8, 1963; Photo by C. D. Lawrence
    • TULE LAKE SUMP 3 - Specs. No. DC-5686 - N-15-a Lateral

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes -- Design and construction; Tule Lake Region (California)
    • P12-200-2704 - Klamath Project - TULE LAKE SUMP 3 - Specs. No. DC-5686 - N-15-a Lateral. View of N-15-a Lateral in final stage of construction. Looking upstream (east) near check at Sta. 40; January 8, 1963; Photo by C. D. Lawrence
    • TULE LAKE SUMP 3 - Specs. No. DC-5686 - N-15-b Lateral

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes -- Design and construction; Tule Lake Region (California)
    • P12-200-2705 - Klamath Project - TULE LAKE SUMP 3 - Specs. No. DC-5686 - N-15-b Lateral. Final stage of construction looking downstream (west) near Sta. 38; January 8, 1963; Photo by C. D. Lawrence
    • TULE LAKE SUMP 3 - Specs. No. DC-5389 - N-1 Lateral

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes; Cracking process; Men; Tule Lake Region (California)
    • C12-200-2706 - Klamath Project - TULE LAKE SUMP 3 - Specs. No. DC-5389 - N-1 Lateral. Recently-discovered crack in bottom of N-1 Lateral. View looking upstream near Sta. 102. Lateral was in use during 1962 irrigation season; January 8, 1963; Photo...
    • TULE LAKE SUMP 3 - Specs. No. DC-5389 - N-1 Lateral

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes; Cracking process; Tule Lake Region (California)
    • P12-200-2707 - Klamath Project - TULE LAKE SUMP 3 - Specs. No. DC-5389 - N-1 Lateral. View of berm and drain adjacent to cracked section of lateral. Note no significant evidence of movement or uplift at toe of slope and bottom of drain; January 8,...
    • TULE LAKE SUMP 3 - Contract Unit 1 - Specs. DC-5389 - N-1 Lateral

    • Irrigation projects; Klamath Project (U.S.) -- History; Irrigation canals and flumes -- Linings; Cracking process; Men; Tule Lake Region (California)
    • P12-200-2710 - Klamath Project - TULE LAKE SUMP 3 - Contract Unit 1 - Specs. DC-5389 - N-1 Lateral. View of water standing on lining directly over crack four days after storm of February 1-3, 1963. Note apparent great width of fissure is due to...

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