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• 91. [Image] Farms under the Main Canal, Klamath Valle (sic)

  	October 24, 1907
  	Citation × Citation Citation Abstract Copy Title: Farms under the Main Canal, Klamath Valle (sic) Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 October 24, 1907 Title: Farms under the Main Canal, Klamath Valle (sic) Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 October 24, 1907 Close

• 92. [Image] Break in "A" Canal

  	April 25, 1922
  	Citation × Citation Citation Abstract Copy Title: Break in "A" Canal Author: United States. Bureau of Reclamation Year: 1922, 2006, 2005 April 25, 1922 Title: Break in "A" Canal Author: United States. Bureau of Reclamation Year: 1922, 2006, 2005 April 25, 1922 Close

• 93. [Image] Main Canal

  	July 1, 1929
  	Citation × Citation Citation Abstract Copy Title: Main Canal Author: United States. Bureau of Reclamation Year: 1929, 2006, 2005 July 1, 1929 Title: Main Canal Author: United States. Bureau of Reclamation Year: 1929, 2006, 2005 July 1, 1929 Close

• 94. [Image] "A" Canal lined section, showing panels on right side of canal approximately 100 feet downstream from the Headworks

  	KP-1728-R2 - Klamath Project. Note horizontal fractures, possibly due to settlement. Joints are severely weathered and spalled. Winter freezing creates a heaving action, which causes spalling of the ...
  	Citation × Citation Citation Abstract Copy Title: "A" Canal lined section, showing panels on right side of canal approximately 100 feet downstream from the Headworks Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1728-R2 - Klamath Project. Note horizontal fractures, possibly due to settlement. Joints are severely weathered and spalled. Winter freezing creates a heaving action, which causes spalling of the joints. October 18, 1948; Photo by H. F. Tolley Title: "A" Canal lined section, showing panels on right side of canal approximately 100 feet downstream from the Headworks Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1728-R2 - Klamath Project. Note horizontal fractures, possibly due to settlement. Joints are severely weathered and spalled. Winter freezing creates a heaving action, which causes spalling of the joints. October 18, 1948; Photo by H. F. Tolley Close

• 95. [Image] "A" Canal lining 300 to 500 feet downstream from the Headworks, facing downstream

  	KP-1730 - Klamath Project. Severely weathered horizontal fractures and vertical joints, with concrete surface completely gone. Note horizontal cracks more severely spalled and weathered than the vertical ...
  	Citation × Citation Citation Abstract Copy Title: "A" Canal lining 300 to 500 feet downstream from the Headworks, facing downstream Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1730 - Klamath Project. Severely weathered horizontal fractures and vertical joints, with concrete surface completely gone. Note horizontal cracks more severely spalled and weathered than the vertical joints, possibly due to retained moisture on the horizontal cracks subjected to freezing causing excessive weathering. Note, also, definite signs of heaving, indicated by angular displacement of the vertical joint; October 18, 1948; Photo by H. F. Tolley Title: "A" Canal lining 300 to 500 feet downstream from the Headworks, facing downstream Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1730 - Klamath Project. Severely weathered horizontal fractures and vertical joints, with concrete surface completely gone. Note horizontal cracks more severely spalled and weathered than the vertical joints, possibly due to retained moisture on the horizontal cracks subjected to freezing causing excessive weathering. Note, also, definite signs of heaving, indicated by angular displacement of the vertical joint; October 18, 1948; Photo by H. F. Tolley Close

• 96. [Image] "A" Canal 2-inch gunite lining at approximately Sta. 23

  	KP-1732-R2 - Klamath Project. "A" Canal 2-inch gunite lining at approximately Sta. 232, illustrating exposed wire-mesh reinforcing. Note upheaval and lateral slippage due to expansion. Sections of lining ...
  	Citation × Citation Citation Abstract Copy Title: "A" Canal 2-inch gunite lining at approximately Sta. 23 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 2007, 2005 KP-1732-R2 - Klamath Project. "A" Canal 2-inch gunite lining at approximately Sta. 232, illustrating exposed wire-mesh reinforcing. Note upheaval and lateral slippage due to expansion. Sections of lining completely disintegrated by heaving and frost action, exposing the wire mesh. October 18, 1948; Photo by H. F. Tolley Title: "A" Canal 2-inch gunite lining at approximately Sta. 23 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 2007, 2005 KP-1732-R2 - Klamath Project. "A" Canal 2-inch gunite lining at approximately Sta. 232, illustrating exposed wire-mesh reinforcing. Note upheaval and lateral slippage due to expansion. Sections of lining completely disintegrated by heaving and frost action, exposing the wire mesh. October 18, 1948; Photo by H. F. Tolley Close

• 97. [Image] Excavation, Main Canal, Division 2

  	Hot springs showing in bed of canal in background; February 13, 1907
  	Citation × Citation Citation Abstract Copy Title: Excavation, Main Canal, Division 2 Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 Hot springs showing in bed of canal in background; February 13, 1907 Title: Excavation, Main Canal, Division 2 Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 Hot springs showing in bed of canal in background; February 13, 1907 Close

• 98. [Image] Main Canal above tunnel, showing slide in bank

  	March 23, 1907
  	Citation × Citation Citation Abstract Copy Title: Main Canal above tunnel, showing slide in bank Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 March 23, 1907 Title: Main Canal above tunnel, showing slide in bank Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 March 23, 1907 Close

• 99. [Image] Main Canal above headgates, showing temporary pass, used for delivering water to the canal

  	Nos. 176 to 179 were taken just before the dam was blown out and water turned against the gates; June 27, 1907
  	Citation × Citation Citation Abstract Copy Title: Main Canal above headgates, showing temporary pass, used for delivering water to the canal Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 Nos. 176 to 179 were taken just before the dam was blown out and water turned against the gates; June 27, 1907 Title: Main Canal above headgates, showing temporary pass, used for delivering water to the canal Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 Nos. 176 to 179 were taken just before the dam was blown out and water turned against the gates; June 27, 1907 Close

• 100. [Image] Temporary dam at the Main Canal Headgates

  	Nos. 176 to 179 were taken just before the dam was blown out and water turned against the gates; June 27, 1907
  	Citation × Citation Citation Abstract Copy Title: Temporary dam at the Main Canal Headgates Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 Nos. 176 to 179 were taken just before the dam was blown out and water turned against the gates; June 27, 1907 Title: Temporary dam at the Main Canal Headgates Author: United States. Bureau of Reclamation Year: 1907, 2005, 2004 Nos. 176 to 179 were taken just before the dam was blown out and water turned against the gates; June 27, 1907 Close