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• 21. [Image] Lost River Diversion Channel Enlargement - County Road Bridge

  	KP-1859 - Klamath Project. Lost River Diversion Channel Enlargement. Sta. 126-38.65; November 16, 1949; Photo by Andrew M. Bergloff
  	Citation × Citation Citation Abstract Copy Title: Lost River Diversion Channel Enlargement - County Road Bridge Author: United States. Bureau of Reclamation, Bergloff, Andrew M. Year: 1949, 2007, 2005 KP-1859 - Klamath Project. Lost River Diversion Channel Enlargement. Sta. 126-38.65; November 16, 1949; Photo by Andrew M. Bergloff Title: Lost River Diversion Channel Enlargement - County Road Bridge Author: United States. Bureau of Reclamation, Bergloff, Andrew M. Year: 1949, 2007, 2005 KP-1859 - Klamath Project. Lost River Diversion Channel Enlargement. Sta. 126-38.65; November 16, 1949; Photo by Andrew M. Bergloff Close

• 22. [Image] Geochemistry of the Colado geothermal area, Pershing County, Nevada

  	Multielement geochemical analysis of drill cuttings from 18 shallow and 2 intermediate-depth temperature gradient holes outlines an area of anomalous geochemistry related to the fluid flow and temperature ...
  	Citation × Citation Citation Abstract Copy Title: Geochemistry of the Colado geothermal area, Pershing County, Nevada Author: Christensen, O.D. Year: 1980 Multielement geochemical analysis of drill cuttings from 18 shallow and 2 intermediate-depth temperature gradient holes outlines an area of anomalous geochemistry related to the fluid flow and temperature distribution within the Colado geothermal area. The concentrations of Hg, As, Li, and Be belong to more than one statistical population and provide the clearest expression of hydrothermal processes. Enrichments of these four elements define anomalous zones which are spatially coincident with a measured temperature anomaly. The spatial distribution suggests that thermal fluid rises into alluvium in the vicinity of a major Basin and Range fault to depths of 200 to 400 feet (60 to 120 m), then flows laterally within shallow alluvial aquifers down the local hydrologic gradient. As the fluid cools, Li, Be, As, and Hg are deposited in response to changing physical and chemical conditions. As and Be appear to be deposited early in higher temperature zones; Li begins to deposit early but forms a rather dispersed geochemical anomaly; Hg is anomalous throughout the entire geothermal area but is concentrated in a shallow halo above the As and Be anomalies. The distributions suggest that the entry of thermal fluids from depth into the alluvium is spatially restricted to a small area and that the larger area of the observed thermal anomaly is due to the flow of warm fluid within shallow aquifers; DOE/ID/12079-9; ESL-39 Title: Geochemistry of the Colado geothermal area, Pershing County, Nevada Author: Christensen, O.D. Year: 1980 Multielement geochemical analysis of drill cuttings from 18 shallow and 2 intermediate-depth temperature gradient holes outlines an area of anomalous geochemistry related to the fluid flow and temperature distribution within the Colado geothermal area. The concentrations of Hg, As, Li, and Be belong to more than one statistical population and provide the clearest expression of hydrothermal processes. Enrichments of these four elements define anomalous zones which are spatially coincident with a measured temperature anomaly. The spatial distribution suggests that thermal fluid rises into alluvium in the vicinity of a major Basin and Range fault to depths of 200 to 400 feet (60 to 120 m), then flows laterally within shallow alluvial aquifers down the local hydrologic gradient. As the fluid cools, Li, Be, As, and Hg are deposited in response to changing physical and chemical conditions. As and Be appear to be deposited early in higher temperature zones; Li begins to deposit early but forms a rather dispersed geochemical anomaly; Hg is anomalous throughout the entire geothermal area but is concentrated in a shallow halo above the As and Be anomalies. The distributions suggest that the entry of thermal fluids from depth into the alluvium is spatially restricted to a small area and that the larger area of the observed thermal anomaly is due to the flow of warm fluid within shallow aquifers; DOE/ID/12079-9; ESL-39 Close

• 23. [Image] Geology of the Colado Geothermal Area, Pershing County, Nevada

  	The Colado geothermal area in south-central Pershing County, Nevada is defined by hot water wells in alluvium just west of the West Humboldt Range. Geothermal gradient holes have encountered temperatures ...
  	Citation × Citation Citation Abstract Copy Title: Geology of the Colado Geothermal Area, Pershing County, Nevada Author: Sibbett, B.S. Year: 1980 The Colado geothermal area in south-central Pershing County, Nevada is defined by hot water wells in alluvium just west of the West Humboldt Range. Geothermal gradient holes have encountered temperatures up to 113.5/sup 0/C at a depth of 76 m (250 ft) with a gradient reversal in the alluvium below this depth. The West Humboldt Range consists mainly of Triassic to Jurassic slaty shale to quartzite of the Auld Lang Syne Group. Carbonate rocks of the Jurassic Lovelock Formation have been thrust over pelitic rocks on the south end of the area. Erosional remnants of Tertiary tuffs and sediments overlay the metasediments in the West Humboldt Range. The principal structures are high-angle faults striking north-northwest, northeast and north-south. The horst-to-graben transition along the range front consists of several step faults trending irregularly north. The structural pattern in the west edge of the range probably continues to the west under the Quaterary alluvium where the source of the hot water is located. Thermal waters probably rise along a major fault intersection in the Mesozoic rocks then spread out in an aquifer in the alluvium. Several thrust faults are exposed south of Coal Canyon, and a structural break in the Mesozoic rock exists under the canyon. Several low-angle faults are present north of Coal Canyon but their effect, if any, on the geothermal occurrence is not known; DOE/ID/12079-8; ESL-38 Title: Geology of the Colado Geothermal Area, Pershing County, Nevada Author: Sibbett, B.S. Year: 1980 The Colado geothermal area in south-central Pershing County, Nevada is defined by hot water wells in alluvium just west of the West Humboldt Range. Geothermal gradient holes have encountered temperatures up to 113.5/sup 0/C at a depth of 76 m (250 ft) with a gradient reversal in the alluvium below this depth. The West Humboldt Range consists mainly of Triassic to Jurassic slaty shale to quartzite of the Auld Lang Syne Group. Carbonate rocks of the Jurassic Lovelock Formation have been thrust over pelitic rocks on the south end of the area. Erosional remnants of Tertiary tuffs and sediments overlay the metasediments in the West Humboldt Range. The principal structures are high-angle faults striking north-northwest, northeast and north-south. The horst-to-graben transition along the range front consists of several step faults trending irregularly north. The structural pattern in the west edge of the range probably continues to the west under the Quaterary alluvium where the source of the hot water is located. Thermal waters probably rise along a major fault intersection in the Mesozoic rocks then spread out in an aquifer in the alluvium. Several thrust faults are exposed south of Coal Canyon, and a structural break in the Mesozoic rock exists under the canyon. Several low-angle faults are present north of Coal Canyon but their effect, if any, on the geothermal occurrence is not known; DOE/ID/12079-8; ESL-38 Close

• 24. [Image] Klamath County Geo-Heating District Feasibility Study

  	This report is the result of an agreement between the Klamath County Commissioners and Oregon Institute of Technology Geo-Heat Utilization Center for the conceptual design, cost analysis and plan for space ...
  	Citation × Citation Citation Abstract Copy Title: Klamath County Geo-Heating District Feasibility Study Author: Lienua, P.J. Year: 1977 This report is the result of an agreement between the Klamath County Commissioners and Oregon Institute of Technology Geo-Heat Utilization Center for the conceptual design, cost analysis and plan for space heating a number of public buildings in Klamath Falls, Oregon with geothermal hot water. The report is to assist Klamath County and the city of Klamath Falls in implementation of the plan for funding the project through appropriate agencies. This project was principally aimed at supplying geothermal heat to ten city and county buildings by hot water extracted from the existing museum well. The supply system is also designed to include the post office and a new building to be built in the vicinity of the courthouse. The fluid would be piped from the museum well to three liquid-to-liquid heat exchangers and returned to the area of the producing well for reinjection into the same aquifer Title: Klamath County Geo-Heating District Feasibility Study Author: Lienua, P.J. Year: 1977 This report is the result of an agreement between the Klamath County Commissioners and Oregon Institute of Technology Geo-Heat Utilization Center for the conceptual design, cost analysis and plan for space heating a number of public buildings in Klamath Falls, Oregon with geothermal hot water. The report is to assist Klamath County and the city of Klamath Falls in implementation of the plan for funding the project through appropriate agencies. This project was principally aimed at supplying geothermal heat to ten city and county buildings by hot water extracted from the existing museum well. The supply system is also designed to include the post office and a new building to be built in the vicinity of the courthouse. The fluid would be piped from the museum well to three liquid-to-liquid heat exchangers and returned to the area of the producing well for reinjection into the same aquifer Close

• 25. [Image] Earthquake Surveys of the Roosevelt Hot Springs and the Cove Fort Areas, Utah: Final: Volume 4

  	Many geothermal areas throughout the world exhibit earthquake activity in the form of swarms (Ward, 1972). Detailed epicenters and characteristics of earthquake swarms can provide Useful information on ...
  	Citation × Citation Citation Abstract Copy Title: Earthquake Surveys of the Roosevelt Hot Springs and the Cove Fort Areas, Utah: Final: Volume 4 Author: Olson, T. L. Year: 1976 Many geothermal areas throughout the world exhibit earthquake activity in the form of swarms (Ward, 1972). Detailed epicenters and characteristics of earthquake swarms can provide Useful information on stress orientation and the possibility of locating fault zones that could provide underground conduits for geothermal fluids. Furthermore potential earthquakes and related hazards which may influence a geothermal reservoir can be better understood from a detailed assessment of local earthquake activity. It was hoped that an earthquake survey of the Roosevelt Hot Springs and Cove Fort areas of southwestern Utah (Figure 1) could provide information about the geothermal potential of this area and the relationship between the earthquakes and the local tectonic patterns Title: Earthquake Surveys of the Roosevelt Hot Springs and the Cove Fort Areas, Utah: Final: Volume 4 Author: Olson, T. L. Year: 1976 Many geothermal areas throughout the world exhibit earthquake activity in the form of swarms (Ward, 1972). Detailed epicenters and characteristics of earthquake swarms can provide Useful information on stress orientation and the possibility of locating fault zones that could provide underground conduits for geothermal fluids. Furthermore potential earthquakes and related hazards which may influence a geothermal reservoir can be better understood from a detailed assessment of local earthquake activity. It was hoped that an earthquake survey of the Roosevelt Hot Springs and Cove Fort areas of southwestern Utah (Figure 1) could provide information about the geothermal potential of this area and the relationship between the earthquakes and the local tectonic patterns Close

• 26. [Image] Klamath Falls Resource Area resource management plan and environmental impact statement : final (Map Packet), Map 2-6, Existing and suitable wild, scenic, and/or recreational rivers, wilderness, wilderness study areas, and instant study areas

  	Map from pocket of document
  	Citation × Citation Citation Abstract Copy Title: Klamath Falls Resource Area resource management plan and environmental impact statement : final (Map Packet), Map 2-6, Existing and suitable wild, scenic, and/or recreational rivers, wilderness, wilderness study areas, and instant study areas Author: United States. Bureau of Land Management. Klamath Falls Resource Area Office Year: 1994, 2005 Map from pocket of document Title: Klamath Falls Resource Area resource management plan and environmental impact statement : final (Map Packet), Map 2-6, Existing and suitable wild, scenic, and/or recreational rivers, wilderness, wilderness study areas, and instant study areas Author: United States. Bureau of Land Management. Klamath Falls Resource Area Office Year: 1994, 2005 Map from pocket of document Close

• 27. [Image] Klamath Falls Resource Area resource management plan and environmental impact statement : final (Map Packet)

  	Includes 31 maps accompanying the Klamath Falls Resource Area resource management plan and environmental impact statement: final.
  	Citation × Citation Citation Abstract Copy Title: Klamath Falls Resource Area resource management plan and environmental impact statement : final (Map Packet) Author: United States. Bureau of Land Management. Klamath Falls Resource Area Office Year: 1994, 2004, 2002 Includes 31 maps accompanying the Klamath Falls Resource Area resource management plan and environmental impact statement: final. Title: Klamath Falls Resource Area resource management plan and environmental impact statement : final (Map Packet) Author: United States. Bureau of Land Management. Klamath Falls Resource Area Office Year: 1994, 2004, 2002 Includes 31 maps accompanying the Klamath Falls Resource Area resource management plan and environmental impact statement: final. Close

• 28. [Image] Hill Road, Siskiyou County, California

  	P12-200-2864A Klamath Project, Region 2 - Oregon-California. Contract 14-06-200-2217A. Roadway as completed by County at a point 0.2 miles south of Pumping Plant "D" which can be seen in the background; ...
  	Citation × Citation Citation Abstract Copy Title: Hill Road, Siskiyou County, California Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1965, 2008, 2006 P12-200-2864A Klamath Project, Region 2 - Oregon-California. Contract 14-06-200-2217A. Roadway as completed by County at a point 0.2 miles south of Pumping Plant "D" which can be seen in the background; September 22, 1965; Bureau of Reclamation photo by D. W. Stein Title: Hill Road, Siskiyou County, California Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1965, 2008, 2006 P12-200-2864A Klamath Project, Region 2 - Oregon-California. Contract 14-06-200-2217A. Roadway as completed by County at a point 0.2 miles south of Pumping Plant "D" which can be seen in the background; September 22, 1965; Bureau of Reclamation photo by D. W. Stein Close

• 29. [Image] Hill Road, Siskiyou County, California

  	P12-200-2865A Klamath Project, Region 2 - Oregon-California. Contract 14-06-200-2217A. Siskiyou County LeTourneau scraper is excavating from borrow area 0.2 miles south of Pumping Plant "D" and east of ...
  	Citation × Citation Citation Abstract Copy Title: Hill Road, Siskiyou County, California Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1965, 2008, 2006 P12-200-2865A Klamath Project, Region 2 - Oregon-California. Contract 14-06-200-2217A. Siskiyou County LeTourneau scraper is excavating from borrow area 0.2 miles south of Pumping Plant "D" and east of Hill Road. "D" Plant can be seen in right of photo; September 22, 1965; Bureau of Reclamation photo by D. W. Stein Title: Hill Road, Siskiyou County, California Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1965, 2008, 2006 P12-200-2865A Klamath Project, Region 2 - Oregon-California. Contract 14-06-200-2217A. Siskiyou County LeTourneau scraper is excavating from borrow area 0.2 miles south of Pumping Plant "D" and east of Hill Road. "D" Plant can be seen in right of photo; September 22, 1965; Bureau of Reclamation photo by D. W. Stein Close

• 30. [Image] Tule Lake Area - Sump 3 - County Line Road Bridge Replacement across "N" Canal & Adjacent Drain

  	CN-12-201-297NA Klamath Project - Oregon-California. View of Load Limit sign that was placed on the south end of the “N" Canal bridge, County Line Road. The USBR requested that TID place this sign on ...
  	Citation × Citation Citation Abstract Copy Title: Tule Lake Area - Sump 3 - County Line Road Bridge Replacement across "N" Canal & Adjacent Drain Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2010, 2007 CN-12-201-297NA Klamath Project - Oregon-California. View of Load Limit sign that was placed on the south end of the “N" Canal bridge, County Line Road. The USBR requested that TID place this sign on the bridge; December 1972; Bureau of Reclamation photo by D. W. Stein Title: Tule Lake Area - Sump 3 - County Line Road Bridge Replacement across "N" Canal & Adjacent Drain Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1972, 2010, 2007 CN-12-201-297NA Klamath Project - Oregon-California. View of Load Limit sign that was placed on the south end of the “N" Canal bridge, County Line Road. The USBR requested that TID place this sign on the bridge; December 1972; Bureau of Reclamation photo by D. W. Stein Close