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• 1. [Image] BUTTE VALLEY - Poor drainage and drainage conditions

  	KP-2349-R2 - Klamath Project--BUTTE VALLEY. Water surface in drain 2' below ground surface. NW1/4N1/4, Sec. 24, T 45 N, R 2 W; August 14, 1956; Photo by K. J. Greene
  	Citation × Citation Citation Abstract Copy Title: BUTTE VALLEY - Poor drainage and drainage conditions Author: United States. Bureau of Reclamation, Greene, K.J. Year: 1956, 2007, 2006 KP-2349-R2 - Klamath Project--BUTTE VALLEY. Water surface in drain 2' below ground surface. NW1/4N1/4, Sec. 24, T 45 N, R 2 W; August 14, 1956; Photo by K. J. Greene Title: BUTTE VALLEY - Poor drainage and drainage conditions Author: United States. Bureau of Reclamation, Greene, K.J. Year: 1956, 2007, 2006 KP-2349-R2 - Klamath Project--BUTTE VALLEY. Water surface in drain 2' below ground surface. NW1/4N1/4, Sec. 24, T 45 N, R 2 W; August 14, 1956; Photo by K. J. Greene Close

• 2. [Image] Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor

  	P-12-200-4158NA Klamath Project - Oregon-California. View of drain pipe in trench. The operator raised the coulters for this view. Photo shows 8-inch pipe about 6.5 ft. below natural ground surface. ...
  	Citation × Citation Citation Abstract Copy Title: Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4158NA Klamath Project - Oregon-California. View of drain pipe in trench. The operator raised the coulters for this view. Photo shows 8-inch pipe about 6.5 ft. below natural ground surface. Small amount of water was noted seeping into trench. Drain line presently running approximately 4 gals. per minute; May 1976; USBR photo by D. W. Stein Title: Klamath Straits Drain Enlargement, Lower Klamath Lake Division - Specs. 200C-922, Patterson Construction Company, Contractor Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1976, 2009, 2006 P-12-200-4158NA Klamath Project - Oregon-California. View of drain pipe in trench. The operator raised the coulters for this view. Photo shows 8-inch pipe about 6.5 ft. below natural ground surface. Small amount of water was noted seeping into trench. Drain line presently running approximately 4 gals. per minute; May 1976; USBR photo by D. W. Stein Close

• 3. [Image] Geologic Interpretation of the Geothermal Potential of the North Bonneville Area

  	Possible geothermal development for the township of North Bonneville, Washington is being investigated because of the proximity of the town to hot springs in a geologic province of good geothermal potential. ...
  	Citation × Citation Citation Abstract Copy Title: Geologic Interpretation of the Geothermal Potential of the North Bonneville Area Author: Nielson, D.L. Year: 1980 Possible geothermal development for the township of North Bonneville, Washington is being investigated because of the proximity of the town to hot springs in a geologic province of good geothermal potential. Surface expression of geothermal resources is provided by conduits through an impermeable reservoir cap and is therefore generally structurally controlled. Near North Bonneville the geologic formations that underlie potential drilling sites are the Eagle Creek formation and the Ohanpecosh Formation. The Lower Miocene Eagle Creek Formation is composed of poorly consolidated volcanic conglomerates, sandstOnes, tuffs, and includes a few minor interbedded lava flows. The Eocene-Oligiocene Ohanapecosh (Weigle) Formation in its nearest exposures to North Bonneville is composed of Volcaniclastics and lava flows. The Ohanapecosh has been altered to zeolites and clays and is therefore Well consolidated and impermeable. The lack of permeability provides the necessary reservoir cap for any geothermal system that may be present at depth. This formation, to the northeast, in the Wind River drainage is greater than 19,000 ft. thick. Circulation of geothermal heated water from this thick sequence of impermeable strata must be associated with penetrating fracture zones Title: Geologic Interpretation of the Geothermal Potential of the North Bonneville Area Author: Nielson, D.L. Year: 1980 Possible geothermal development for the township of North Bonneville, Washington is being investigated because of the proximity of the town to hot springs in a geologic province of good geothermal potential. Surface expression of geothermal resources is provided by conduits through an impermeable reservoir cap and is therefore generally structurally controlled. Near North Bonneville the geologic formations that underlie potential drilling sites are the Eagle Creek formation and the Ohanpecosh Formation. The Lower Miocene Eagle Creek Formation is composed of poorly consolidated volcanic conglomerates, sandstOnes, tuffs, and includes a few minor interbedded lava flows. The Eocene-Oligiocene Ohanapecosh (Weigle) Formation in its nearest exposures to North Bonneville is composed of Volcaniclastics and lava flows. The Ohanapecosh has been altered to zeolites and clays and is therefore Well consolidated and impermeable. The lack of permeability provides the necessary reservoir cap for any geothermal system that may be present at depth. This formation, to the northeast, in the Wind River drainage is greater than 19,000 ft. thick. Circulation of geothermal heated water from this thick sequence of impermeable strata must be associated with penetrating fracture zones Close