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• 1. [Image] "A" Canal concrete-lined section right bank adjacent to Headworks

  	KP-1727-R2 - Klamath Project. Plain concrete placed in 1906. Note fractures - weathered and spalled, surface completely gone; October 18, 1948; Photo by H. F. Tolley
  	Citation × Citation Citation Abstract Copy Title: "A" Canal concrete-lined section right bank adjacent to Headworks Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1727-R2 - Klamath Project. Plain concrete placed in 1906. Note fractures - weathered and spalled, surface completely gone; October 18, 1948; Photo by H. F. Tolley Title: "A" Canal concrete-lined section right bank adjacent to Headworks Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1727-R2 - Klamath Project. Plain concrete placed in 1906. Note fractures - weathered and spalled, surface completely gone; October 18, 1948; Photo by H. F. Tolley Close

• 2. [Image] "A" Canal lined section

  	KP-1729 - Klamath Project. Facing downstream at left side of canal, showing series of horizontal cracks severely weathered; October 18, 1948; Photo by H. F. Tolley
  	Citation × Citation Citation Abstract Copy Title: "A" Canal lined section Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1729 - Klamath Project. Facing downstream at left side of canal, showing series of horizontal cracks severely weathered; October 18, 1948; Photo by H. F. Tolley Title: "A" Canal lined section Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1729 - Klamath Project. Facing downstream at left side of canal, showing series of horizontal cracks severely weathered; October 18, 1948; Photo by H. F. Tolley Close

• 3. [Image] "A" Canal 2-inch gunite lining between Stations 227-00 and 233-00 placed in 1926

  	KP-1731-R2 - Klamath Project. "A" Canal 2-inch gunite lining between Stations 227-00 and 233-00 placed in 1926, showing the cracks in the lining; October 18, 1948; Photo by H. F. Tolley
  	Citation × Citation Citation Abstract Copy Title: "A" Canal 2-inch gunite lining between Stations 227-00 and 233-00 placed in 1926 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1731-R2 - Klamath Project. "A" Canal 2-inch gunite lining between Stations 227-00 and 233-00 placed in 1926, showing the cracks in the lining; October 18, 1948; Photo by H. F. Tolley Title: "A" Canal 2-inch gunite lining between Stations 227-00 and 233-00 placed in 1926 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1731-R2 - Klamath Project. "A" Canal 2-inch gunite lining between Stations 227-00 and 233-00 placed in 1926, showing the cracks in the lining; October 18, 1948; Photo by H. F. Tolley Close

• 4. [Image] "A" Canal 2-inch gunite lining Sta. 458-50 to 474-50

  	KP-1733-R2 - Klamath Project. Picture at approximate Sta. 460-50 shows bulging and fracturing of lining due to expansion; October 18, 1948; Photo by H. F. Tolley
  	Citation × Citation Citation Abstract Copy Title: "A" Canal 2-inch gunite lining Sta. 458-50 to 474-50 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1733-R2 - Klamath Project. Picture at approximate Sta. 460-50 shows bulging and fracturing of lining due to expansion; October 18, 1948; Photo by H. F. Tolley Title: "A" Canal 2-inch gunite lining Sta. 458-50 to 474-50 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1733-R2 - Klamath Project. Picture at approximate Sta. 460-50 shows bulging and fracturing of lining due to expansion; October 18, 1948; Photo by H. F. Tolley Close

• 5. [Image] "A" Canal lining second panel from Headworks left side, showing vertical and horizontal joints weathered and displaced

  	Roll 1 No. 6 - Klamath Project; October 18, 1948; Photo by H. F. Tolley
  	Citation × Citation Citation Abstract Copy Title: "A" Canal lining second panel from Headworks left side, showing vertical and horizontal joints weathered and displaced Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 1 No. 6 - Klamath Project; October 18, 1948; Photo by H. F. Tolley Title: "A" Canal lining second panel from Headworks left side, showing vertical and horizontal joints weathered and displaced Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 1 No. 6 - Klamath Project; October 18, 1948; Photo by H. F. Tolley Close

• 6. [Image] "A" Canal 2-inch gunite lined section

  	Roll 1 No. 8 - Klamath Project. "A" Canal 2-inch gunite lined section, showing exposed wire mesh, vertical crack heaving and completely disintegrated lining. Gunite at bottom of the slope completely gone; ...
  	Citation × Citation Citation Abstract Copy Title: "A" Canal 2-inch gunite lined section Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 1 No. 8 - Klamath Project. "A" Canal 2-inch gunite lined section, showing exposed wire mesh, vertical crack heaving and completely disintegrated lining. Gunite at bottom of the slope completely gone; October 18, 1948; Photo by H. F. Tolley Title: "A" Canal 2-inch gunite lined section Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 1 No. 8 - Klamath Project. "A" Canal 2-inch gunite lined section, showing exposed wire mesh, vertical crack heaving and completely disintegrated lining. Gunite at bottom of the slope completely gone; October 18, 1948; Photo by H. F. Tolley Close

• 7. [Image] "A" Canal 2-inch gunite lining in vicinity of Sta. 462, showing bulging and disintegration

  	Roll 2 No. 1 - Klamath Project; October 19, 1948; Photo by H. F. Tolley
  	Citation × Citation Citation Abstract Copy Title: "A" Canal 2-inch gunite lining in vicinity of Sta. 462, showing bulging and disintegration Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 1 - Klamath Project; October 19, 1948; Photo by H. F. Tolley Title: "A" Canal 2-inch gunite lining in vicinity of Sta. 462, showing bulging and disintegration Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 1 - Klamath Project; October 19, 1948; Photo by H. F. Tolley Close

• 8. [Image] "A" Canal 2-inch gunite lining in vicinity of Sta. 462, showing bulging and disintegration

  	Roll 2 No. 2 - Klamath Project; October 19, 1948; Photo by H. F. Tolley
  	Citation × Citation Citation Abstract Copy Title: "A" Canal 2-inch gunite lining in vicinity of Sta. 462, showing bulging and disintegration Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 2 - Klamath Project; October 19, 1948; Photo by H. F. Tolley Title: "A" Canal 2-inch gunite lining in vicinity of Sta. 462, showing bulging and disintegration Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 2 - Klamath Project; October 19, 1948; Photo by H. F. Tolley Close

• 9. [Image] "A" Canal gunite lining left side of canal

  	Roll 2 No. 4 - Klamath Project. Note heaving and disintegration. Joint has been patched, but insufficient allowance for expansion has resulted in additional disintegration; October 19, 1948; Photo by ...
  	Citation × Citation Citation Abstract Copy Title: "A" Canal gunite lining left side of canal Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 4 - Klamath Project. Note heaving and disintegration. Joint has been patched, but insufficient allowance for expansion has resulted in additional disintegration; October 19, 1948; Photo by H. F. Tolley Title: "A" Canal gunite lining left side of canal Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 2 No. 4 - Klamath Project. Note heaving and disintegration. Joint has been patched, but insufficient allowance for expansion has resulted in additional disintegration; October 19, 1948; Photo by H. F. Tolley Close

• 10. [Image] "A" Canal concrete lining facing upstream from tunnel portal

  	Roll 3 No. 5 - Klamath Project. Note horizontal and vertical cracking, with severe weathering. Also, note bulging of sides, particularly on left side of picture; October 20, 1948; Photo by H. F. Tolley ...
  	Citation × Citation Citation Abstract Copy Title: "A" Canal concrete lining facing upstream from tunnel portal Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 3 No. 5 - Klamath Project. Note horizontal and vertical cracking, with severe weathering. Also, note bulging of sides, particularly on left side of picture; October 20, 1948; Photo by H. F. Tolley Title: "A" Canal concrete lining facing upstream from tunnel portal Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 Roll 3 No. 5 - Klamath Project. Note horizontal and vertical cracking, with severe weathering. Also, note bulging of sides, particularly on left side of picture; October 20, 1948; Photo by H. F. Tolley Close