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• 1. [Image] "B" Canal concrete lining at approximate Station 715-25

  	Roll 2 No. 7 - Klamath Project. Four-inch concrete lining placed in 1940. Sections 10 feet, with plain joints slightly opened. Concrete in excellent condition; October 19, 1948; Photo by H. F. Tolley...
  	Citation × Citation Citation Abstract Copy Title: "B" Canal concrete lining at approximate Station 715-25 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 7 - Klamath Project. Four-inch concrete lining placed in 1940. Sections 10 feet, with plain joints slightly opened. Concrete in excellent condition; October 19, 1948; Photo by H. F. Tolley Title: "B" Canal concrete lining at approximate Station 715-25 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 7 - Klamath Project. Four-inch concrete lining placed in 1940. Sections 10 feet, with plain joints slightly opened. Concrete in excellent condition; October 19, 1948; Photo by H. F. Tolley Close

• 2. [Image] "B" Canal check structure

  	Roll 2 No. 6 - Klamath Project. Note that horizontal construction joint is badly weathered. As in "A" Canal concrete lining shown in previous pictures, horizontal joint is badly weathered indicating the ...
  	Citation × Citation Citation Abstract Copy Title: "B" Canal check structure Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 6 - Klamath Project. Note that horizontal construction joint is badly weathered. As in "A" Canal concrete lining shown in previous pictures, horizontal joint is badly weathered indicating the retention of moisture on the horizontal joint subjects the joint to more severe weathering due to freezing action; October 19, 1948; Photo by H. F. Tolley Title: "B" Canal check structure Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 6 - Klamath Project. Note that horizontal construction joint is badly weathered. As in "A" Canal concrete lining shown in previous pictures, horizontal joint is badly weathered indicating the retention of moisture on the horizontal joint subjects the joint to more severe weathering due to freezing action; October 19, 1948; Photo by H. F. Tolley Close