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• 11. [Image] MALONE DAM, LANGELL VALLEY - General view looking upstream at stilling basin at dam

  	KP-2576-R2-Klamath Project - MALONE DAM, LANGELL VALLEY - General view looking upstream at stilling basin at dam; December 23, 1960; Photo by L. MacAnulty
  	Citation × Citation Citation Abstract Copy Title: MALONE DAM, LANGELL VALLEY - General view looking upstream at stilling basin at dam Author: United States. Bureau of Reclamation, MacAnulty, L. Year: 1960, 2008, 2006 KP-2576-R2-Klamath Project - MALONE DAM, LANGELL VALLEY - General view looking upstream at stilling basin at dam; December 23, 1960; Photo by L. MacAnulty Title: MALONE DAM, LANGELL VALLEY - General view looking upstream at stilling basin at dam Author: United States. Bureau of Reclamation, MacAnulty, L. Year: 1960, 2008, 2006 KP-2576-R2-Klamath Project - MALONE DAM, LANGELL VALLEY - General view looking upstream at stilling basin at dam; December 23, 1960; Photo by L. MacAnulty Close

• 12. [Image] MALONE DAM, LANGELL VALLEY - View of base of center pier and foundation of dam

  	KP-2577-R2-Klamath Project - MALONE DAM, LANGELL VALLEY - View of base of center pier and foundation of dam, showing erosion under left side of pier; December, 23, 1960; Photo by L. MacAnulty
  	Citation × Citation Citation Abstract Copy Title: MALONE DAM, LANGELL VALLEY - View of base of center pier and foundation of dam Author: United States. Bureau of Reclamation, MacAnulty, L. Year: 1960, 2008, 2006 KP-2577-R2-Klamath Project - MALONE DAM, LANGELL VALLEY - View of base of center pier and foundation of dam, showing erosion under left side of pier; December, 23, 1960; Photo by L. MacAnulty Title: MALONE DAM, LANGELL VALLEY - View of base of center pier and foundation of dam Author: United States. Bureau of Reclamation, MacAnulty, L. Year: 1960, 2008, 2006 KP-2577-R2-Klamath Project - MALONE DAM, LANGELL VALLEY - View of base of center pier and foundation of dam, showing erosion under left side of pier; December, 23, 1960; Photo by L. MacAnulty Close

• 13. [Image] Link River Dam

  	KP-2181-R2 - Link River Dam. Klamath Project. Close-up of foundation material under dam apron in river outlet section, west of the stilling basin on the downstream side of dam; October 28, 1952; Bureau ...
  	Citation × Citation Citation Abstract Copy Title: Link River Dam Author: United States. Bureau of Reclamation, Bergloff, A. M. Year: 1952, 2007, 2006 KP-2181-R2 - Link River Dam. Klamath Project. Close-up of foundation material under dam apron in river outlet section, west of the stilling basin on the downstream side of dam; October 28, 1952; Bureau of Reclamation Photo by A. M. Bergloff Title: Link River Dam Author: United States. Bureau of Reclamation, Bergloff, A. M. Year: 1952, 2007, 2006 KP-2181-R2 - Link River Dam. Klamath Project. Close-up of foundation material under dam apron in river outlet section, west of the stilling basin on the downstream side of dam; October 28, 1952; Bureau of Reclamation Photo by A. M. Bergloff Close

• 14. [Article] Evaluating downstream channel changes in response to a small dam removal on the Calapooia River, Oregon with respect to measurement errors and prior aerial photo observed changes

  The objective of this study was to evaluate the use of aerial photos as a substitute for multiple-year pre-removal field data to assess the downstream channel changes associated with a small dam removal. ...

  Citation × Citation Citation Abstract Copy Title: Evaluating downstream channel changes in response to a small dam removal on the Calapooia River, Oregon with respect to measurement errors and prior aerial photo observed changes Author: Walter, Cara The objective of this study was to evaluate the use of aerial photos as a substitute for multiple-year pre-removal field data to assess the downstream channel changes associated with a small dam removal. The Brownsville Dam, a 2.1 m tall concrete dam on the Calapooia River, Oregon, was removed in 2007. We surveyed cross sections below the dam during the summers prior to (2007) and follow (2008) removal, and we analyzed aerial photos from 1994 to 2006. The field surveys and aerial photos were used to map the low flow channel and bars over 1.3 km downstream from the dam and in an upstream control reach. Three types of measurement error (position error, identification error, and wetted boundary datum error) were assessed for the field surveys and aerial photos in order make the two methods of measurement more comparable. The first year after the dam removal, we observed changes in bar width, wetted width, and wetted width midpoint as large as 17 m ± 3 m immediately below the dam. We inferred that channel changes below the dam after removal were a result of the removal through comparison with pre-dam removal aerial photos, where changes up to 67 m ± 24 m were predominantly far from the dam, and an upstream control, where changes were only as large as 9 m ± 5 m. We conclude with suggestions of best practices for reducing errors, including establishment of permanent monuments for field surveys, taking measurements at similar, well-known discharges, and generating the highest-quality digital aerial photos through source and scanning choices. Title: Evaluating downstream channel changes in response to a small dam removal on the Calapooia River, Oregon with respect to measurement errors and prior aerial photo observed changes Author: Walter, Cara The objective of this study was to evaluate the use of aerial photos as a substitute for multiple-year pre-removal field data to assess the downstream channel changes associated with a small dam removal. The Brownsville Dam, a 2.1 m tall concrete dam on the Calapooia River, Oregon, was removed in 2007. We surveyed cross sections below the dam during the summers prior to (2007) and follow (2008) removal, and we analyzed aerial photos from 1994 to 2006. The field surveys and aerial photos were used to map the low flow channel and bars over 1.3 km downstream from the dam and in an upstream control reach. Three types of measurement error (position error, identification error, and wetted boundary datum error) were assessed for the field surveys and aerial photos in order make the two methods of measurement more comparable. The first year after the dam removal, we observed changes in bar width, wetted width, and wetted width midpoint as large as 17 m ± 3 m immediately below the dam. We inferred that channel changes below the dam after removal were a result of the removal through comparison with pre-dam removal aerial photos, where changes up to 67 m ± 24 m were predominantly far from the dam, and an upstream control, where changes were only as large as 9 m ± 5 m. We conclude with suggestions of best practices for reducing errors, including establishment of permanent monuments for field surveys, taking measurements at similar, well-known discharges, and generating the highest-quality digital aerial photos through source and scanning choices. Close

• 15. [Image] Salmon and Bonneville Dam

  	1. Bill introduced regarding commercial fishing near the Bonneville Dam and on Columbia River tributaries east of the Deschutes River; 2. Article in an issue of the Business Survey of the Portland Area ...
  	Citation × Citation Citation Abstract Copy Title: Salmon and Bonneville Dam Author: Finley, William L. (William Lovell), 1876-1953; Commonwealth, Inc.; Oregon. Legislative Assembly; Portland Chamber of Commerce (Or.); Bonneville Dam Fishways Committee; National Canners Association; Clark, Ernest Dunbar, 1886-; Clough, Ray W.; Columbia River Packers' Association Year: 1932 1. Bill introduced regarding commercial fishing near the Bonneville Dam and on Columbia River tributaries east of the Deschutes River; 2. Article in an issue of the Business Survey of the Portland Area discussing the effect of fishways on salmon at Bonneville Dam; 3. Report discussing proposed fishways plans for Bonneville Dam; 4. Correspondence discussing report of the Bonneville Dam Fishways Committee; 5. Manuscript discussing the effects of high dams on Columbia River salmon with a focus on the Bonneville Dam; 6. Information and drawing of proposed Bonneville Dam; 7. Booklet discussing salmon and recipes using Thompson's Swiftwater canned salmon; 8. Publication discussing salmon and promoting the benefits of canned salmon Title: Salmon and Bonneville Dam Author: Finley, William L. (William Lovell), 1876-1953; Commonwealth, Inc.; Oregon. Legislative Assembly; Portland Chamber of Commerce (Or.); Bonneville Dam Fishways Committee; National Canners Association; Clark, Ernest Dunbar, 1886-; Clough, Ray W.; Columbia River Packers' Association Year: 1932 1. Bill introduced regarding commercial fishing near the Bonneville Dam and on Columbia River tributaries east of the Deschutes River; 2. Article in an issue of the Business Survey of the Portland Area discussing the effect of fishways on salmon at Bonneville Dam; 3. Report discussing proposed fishways plans for Bonneville Dam; 4. Correspondence discussing report of the Bonneville Dam Fishways Committee; 5. Manuscript discussing the effects of high dams on Columbia River salmon with a focus on the Bonneville Dam; 6. Information and drawing of proposed Bonneville Dam; 7. Booklet discussing salmon and recipes using Thompson's Swiftwater canned salmon; 8. Publication discussing salmon and promoting the benefits of canned salmon Close

• 16. [Image] Clear Lake Dam - Work horses starting for dam

  	September 15, 1909; #43; Brt. Blue Album 1 through 84 (Clear Lake Dam)
  	Citation × Citation Citation Abstract Copy Title: Clear Lake Dam - Work horses starting for dam Author: United States. Bureau of Reclamation Year: 1909, 2005 September 15, 1909; #43; Brt. Blue Album 1 through 84 (Clear Lake Dam) Title: Clear Lake Dam - Work horses starting for dam Author: United States. Bureau of Reclamation Year: 1909, 2005 September 15, 1909; #43; Brt. Blue Album 1 through 84 (Clear Lake Dam) Close

• 17. [Image] Clear Lake Dam - Dam from waste weir

  	October 13, 1909; #49; Brt. Blue Album 1 through 84 (Clear Lake Dam)
  	Citation × Citation Citation Abstract Copy Title: Clear Lake Dam - Dam from waste weir Author: United States. Bureau of Reclamation Year: 1909, 2005 October 13, 1909; #49; Brt. Blue Album 1 through 84 (Clear Lake Dam) Title: Clear Lake Dam - Dam from waste weir Author: United States. Bureau of Reclamation Year: 1909, 2005 October 13, 1909; #49; Brt. Blue Album 1 through 84 (Clear Lake Dam) Close

• 18. [Image] Clear Lake Dam - Dam from lower end of waste channel

  	October 26, 1909; #54; Brt. Blue Album 1 through 84 (Clear Lake Dam)
  	Citation × Citation Citation Abstract Copy Title: Clear Lake Dam - Dam from lower end of waste channel Author: United States. Bureau of Reclamation Year: 1909, 2005 October 26, 1909; #54; Brt. Blue Album 1 through 84 (Clear Lake Dam) Title: Clear Lake Dam - Dam from lower end of waste channel Author: United States. Bureau of Reclamation Year: 1909, 2005 October 26, 1909; #54; Brt. Blue Album 1 through 84 (Clear Lake Dam) Close

• 19. [Image] Clear Lake Dam - Up-stream [sic] face of dam

  	October 19, 1909; #63; Brt. Blue Album 1 through 84 (Clear Lake Dam)
  	Citation × Citation Citation Abstract Copy Title: Clear Lake Dam - Up-stream [sic] face of dam Author: United States. Bureau of Reclamation Year: 1909, 2005 October 19, 1909; #63; Brt. Blue Album 1 through 84 (Clear Lake Dam) Title: Clear Lake Dam - Up-stream [sic] face of dam Author: United States. Bureau of Reclamation Year: 1909, 2005 October 19, 1909; #63; Brt. Blue Album 1 through 84 (Clear Lake Dam) Close

• 20. [Image] Clear Lake Dam - View up-stream [sic] from dam

  	October 25, 1909; #66; Brt. Blue Album 1 through 84 (Clear Lake Dam)
  	Citation × Citation Citation Abstract Copy Title: Clear Lake Dam - View up-stream [sic] from dam Author: United States. Bureau of Reclamation Year: 1909, 2005 October 25, 1909; #66; Brt. Blue Album 1 through 84 (Clear Lake Dam) Title: Clear Lake Dam - View up-stream [sic] from dam Author: United States. Bureau of Reclamation Year: 1909, 2005 October 25, 1909; #66; Brt. Blue Album 1 through 84 (Clear Lake Dam) Close