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• 1. [Image] Seepage Studies - Typical seepage through cracks in lateral banks

  	KP-1682 - Klamath Project - Seepage Studies. Note that the seepage cracks are located in the undisturbed natural ground beneath the lateral embankment. Parallel drain is constructed to intercept seepage ...
  	Citation × Citation Citation Abstract Copy Title: Seepage Studies - Typical seepage through cracks in lateral banks Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2006, 2005 KP-1682 - Klamath Project - Seepage Studies. Note that the seepage cracks are located in the undisturbed natural ground beneath the lateral embankment. Parallel drain is constructed to intercept seepage water and prevent "subbing"; March 10, 1948; Photo by H. F. Tolley Title: Seepage Studies - Typical seepage through cracks in lateral banks Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2006, 2005 KP-1682 - Klamath Project - Seepage Studies. Note that the seepage cracks are located in the undisturbed natural ground beneath the lateral embankment. Parallel drain is constructed to intercept seepage water and prevent "subbing"; March 10, 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] "E" Canal between Stations 21-70 and 35-20

  	KP-1734 - Klamath Project. Four-inch reinforced concrete lining placed in 1935. Note joints edged, fine cracks apparent at bottom of slope. Concrete in good condition. October 19, 1948; Photo by H. F. ...
  	Citation × Citation Citation Abstract Copy Title: "E" Canal between Stations 21-70 and 35-20 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1734 - Klamath Project. Four-inch reinforced concrete lining placed in 1935. Note joints edged, fine cracks apparent at bottom of slope. Concrete in good condition. October 19, 1948; Photo by H. F. Tolley Title: "E" Canal between Stations 21-70 and 35-20 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1734 - Klamath Project. Four-inch reinforced concrete lining placed in 1935. Note joints edged, fine cracks apparent at bottom of slope. Concrete in good condition. October 19, 1948; Photo by H. F. Tolley Close

• 6. [Image] "E" Canal lining at approximately Station 59-40, showing open joint

  	KP-1736-R2 - Klamath Project; October 19, 1948; Photo by H. F. Tolley
  	Citation × Citation Citation Abstract Copy Title: "E" Canal lining at approximately Station 59-40, showing open joint Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1736-R2 - Klamath Project; October 19, 1948; Photo by H. F. Tolley Title: "E" Canal lining at approximately Station 59-40, showing open joint Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1736-R2 - Klamath Project; October 19, 1948; Photo by H. F. Tolley Close

• 7. [Image] "J" Canal - 4" reinforced concrete lining placed in 1939 between Stations 1125 and 1152-91.8

  	KP-1738-R2 - Klamath Project. Concrete in excellent condition, with no apparent cracking. Situated in porous sand. Joints plain, not edged, opened 1/16 inch.October 19, 1948; Photo by H. F. Tolley
  	Citation × Citation Citation Abstract Copy Title: "J" Canal - 4" reinforced concrete lining placed in 1939 between Stations 1125 and 1152-91.8 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1738-R2 - Klamath Project. Concrete in excellent condition, with no apparent cracking. Situated in porous sand. Joints plain, not edged, opened 1/16 inch.October 19, 1948; Photo by H. F. Tolley Title: "J" Canal - 4" reinforced concrete lining placed in 1939 between Stations 1125 and 1152-91.8 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1738-R2 - Klamath Project. Concrete in excellent condition, with no apparent cracking. Situated in porous sand. Joints plain, not edged, opened 1/16 inch.October 19, 1948; Photo by H. F. Tolley Close

• 8. [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

• 9. [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

• 10. [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