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• 151. [Image] Unloading fish truck at Nason Creek

  	Citation × Citation Citation Abstract Copy Title: Unloading fish truck at Nason Creek Year: 1939 Title: Unloading fish truck at Nason Creek Year: 1939 Close

• 152. [Image] Unloading fish truck at Nason Creek

  	Citation × Citation Citation Abstract Copy Title: Unloading fish truck at Nason Creek Year: 1939 Title: Unloading fish truck at Nason Creek Year: 1939 Close

• 153. [Image] Dam and fish ladder

  	Citation × Citation Citation Abstract Copy Title: Dam and fish ladder Year: 1940 Title: Dam and fish ladder Year: 1940 Close

• 154. [Image] Falls on Little North Fork

  	Citation × Citation Citation Abstract Copy Title: Falls on Little North Fork Year: 1940 Title: Falls on Little North Fork Year: 1940 Close

• 155. [Image] Elgin dam and fish ladder

  	Citation × Citation Citation Abstract Copy Title: Elgin dam and fish ladder Year: 1940 Title: Elgin dam and fish ladder Year: 1940 Close

• 156. [Image] Finley Mill Dam

  	Citation × Citation Citation Abstract Copy Title: Finley Mill Dam Year: 1940 Title: Finley Mill Dam Year: 1940 Close

• 157. [Image] Finley feed mill dam

  	Citation × Citation Citation Abstract Copy Title: Finley feed mill dam Year: 1941 Title: Finley feed mill dam Year: 1941 Close

• 158. [Image] Flume

  	Citation × Citation Citation Abstract Copy Title: Flume Year: 1938 Title: Flume Year: 1938 Close

• 159. [Image] Coast Fork Willamette River

  	Coast Fork Willamette River above Cottage Grove, Oregon;1938-06
  	Citation × Citation Citation Abstract Copy Title: Coast Fork Willamette River Year: 1938 Coast Fork Willamette River above Cottage Grove, Oregon;1938-06 Title: Coast Fork Willamette River Year: 1938 Coast Fork Willamette River above Cottage Grove, Oregon;1938-06 Close

• 160. [Image] Calapooia River

  	Outlet from log pond at Dollar on the Calapooia River Impassable; 1941-10-02
  	Citation × Citation Citation Abstract Copy Title: Calapooia River Year: 1941 Outlet from log pond at Dollar on the Calapooia River Impassable; 1941-10-02 Title: Calapooia River Year: 1941 Outlet from log pond at Dollar on the Calapooia River Impassable; 1941-10-02 Close

• 161. [Image] By-pass around log pond

  	Citation × Citation Citation Abstract Copy Title: By-pass around log pond Year: 1941 Title: By-pass around log pond Year: 1941 Close

• 162. [Image] Upper end of "The Narrows"

  	The upper end of the "The Narrows" on the Molalla River; 1941-09-25
  	Citation × Citation Citation Abstract Copy Title: Upper end of "The Narrows" Year: 1941 The upper end of the "The Narrows" on the Molalla River; 1941-09-25 Title: Upper end of "The Narrows" Year: 1941 The upper end of the "The Narrows" on the Molalla River; 1941-09-25 Close

• 163. [Image] Dam on Milk Creek

  	Citation × Citation Citation Abstract Copy Title: Dam on Milk Creek Year: 1940 Title: Dam on Milk Creek Year: 1940 Close

• 164. [Image] Albernathy Falls

  	Citation × Citation Citation Abstract Copy Title: Albernathy Falls Year: 1946 Title: Albernathy Falls Year: 1946 Close

• 165. [Image] Dam & falls on Layng Creek

  	Citation × Citation Citation Abstract Copy Title: Dam & falls on Layng Creek Year: 1938 Title: Dam & falls on Layng Creek Year: 1938 Close

• 166. [Image] Frank Brice Creek falls

  	Citation × Citation Citation Abstract Copy Title: Frank Brice Creek falls Year: 1938 Title: Frank Brice Creek falls Year: 1938 Close

• 167. [Image] Assessment of geothermal resources of Caliente, Nevada

  	An assessment of the geothermal resources of Caliente, Nevada was made to provide information on resource characteristics and to site 2 (two) 500 ft (152 m) test wells to confirm the resource. The strategy ...
  	Citation × Citation Citation Abstract Copy Title: Assessment of geothermal resources of Caliente, Nevada Author: Trexler, D.T. Year: 1980 An assessment of the geothermal resources of Caliente, Nevada was made to provide information on resource characteristics and to site 2 (two) 500 ft (152 m) test wells to confirm the resource. The strategy used in the resource assessment employed a logical sequence of work elements that included 1) baseline data collection, 2) field investigations, 3) laboratory analyses and 4) data interpretation and synthesis. Airphoto interpretation indicated that a series of normal faults produced a stepped arrangement in the canyon walls on the west side of Meadow Valley Wash north of downtown Caiente. This area coincides with the area of known geothermal occurrences. Temperature measurements in existing wells indicate a rapid cooling of the geothermal waters as they mix with cold groundwater flows in Meadow Valley Wash. Soil mercury analyses range from 15 ppB to as high as 120 ppB. Trends in soil mercury content may indicate the presence of buried faults. Temperature measured in 2-meter deep auger holes indicated temperatures as high as 40/sup 0/C in an area north of the Lincoln County Medical Facility. Interpretation of chemical analyses, both major and minor, of waters collected from wells and streams in the area failed to conclusively show any mechanisms for the mixing of thermal and nonthermal waters. The selection of sites for the 2 (two) 500 ft (152 m) reservoir confirmation wells was made using the results of temperature surveys, geologic structure and historic observations; DOE/NV/10039-1 Title: Assessment of geothermal resources of Caliente, Nevada Author: Trexler, D.T. Year: 1980 An assessment of the geothermal resources of Caliente, Nevada was made to provide information on resource characteristics and to site 2 (two) 500 ft (152 m) test wells to confirm the resource. The strategy used in the resource assessment employed a logical sequence of work elements that included 1) baseline data collection, 2) field investigations, 3) laboratory analyses and 4) data interpretation and synthesis. Airphoto interpretation indicated that a series of normal faults produced a stepped arrangement in the canyon walls on the west side of Meadow Valley Wash north of downtown Caiente. This area coincides with the area of known geothermal occurrences. Temperature measurements in existing wells indicate a rapid cooling of the geothermal waters as they mix with cold groundwater flows in Meadow Valley Wash. Soil mercury analyses range from 15 ppB to as high as 120 ppB. Trends in soil mercury content may indicate the presence of buried faults. Temperature measured in 2-meter deep auger holes indicated temperatures as high as 40/sup 0/C in an area north of the Lincoln County Medical Facility. Interpretation of chemical analyses, both major and minor, of waters collected from wells and streams in the area failed to conclusively show any mechanisms for the mixing of thermal and nonthermal waters. The selection of sites for the 2 (two) 500 ft (152 m) reservoir confirmation wells was made using the results of temperature surveys, geologic structure and historic observations; DOE/NV/10039-1 Close

• 168. [Image] Survey crew on Tilton River near Brewer bridge

  	Citation × Citation Citation Abstract Copy Title: Survey crew on Tilton River near Brewer bridge Year: 1936 Title: Survey crew on Tilton River near Brewer bridge Year: 1936 Close

• 169. [Image] River of No Return

  	National Geographic Expedition down the "River of No Return" from Salmon to Lewiston, Idaho
  	Citation × Citation Citation Abstract Copy Title: River of No Return Year: 2004 National Geographic Expedition down the "River of No Return" from Salmon to Lewiston, Idaho Title: River of No Return Year: 2004 National Geographic Expedition down the "River of No Return" from Salmon to Lewiston, Idaho Close

• 170. [Image] Survey of the Columbia River and its tributaries : Part 5

  	This report deals with the streams in Area IV Area IV includes all tributaries entering the Columbia River from the south and east in the 120 miles from the Deschutes River up to but not including the ...
  	Citation × Citation Citation Abstract Copy Title: Survey of the Columbia River and its tributaries : Part 5 Year: 1949 This report deals with the streams in Area IV Area IV includes all tributaries entering the Columbia River from the south and east in the 120 miles from the Deschutes River up to but not including the Snake River Title: Survey of the Columbia River and its tributaries : Part 5 Year: 1949 This report deals with the streams in Area IV Area IV includes all tributaries entering the Columbia River from the south and east in the 120 miles from the Deschutes River up to but not including the Snake River Close

• 171. [Image] Survey of the Columbia River and its tributaries : Area 3 Washington streams from Kiliokitat and Snake Rivers to Grand Coulee Dam, with notes on the Columbia and its tributaries above Grand Coulee Dam

  	Area 3 includes all tributaries entering the Columbia on the north and west sides from the Klickitat River to Grand Coulee Dam, and the few tributaries entering from the east and south sides between the ...
  	Citation × Citation Citation Abstract Copy Title: Survey of the Columbia River and its tributaries : Area 3 Washington streams from Kiliokitat and Snake Rivers to Grand Coulee Dam, with notes on the Columbia and its tributaries above Grand Coulee Dam Year: 1949 Area 3 includes all tributaries entering the Columbia on the north and west sides from the Klickitat River to Grand Coulee Dam, and the few tributaries entering from the east and south sides between the Snake River and Grand Coulee Dam Title: Survey of the Columbia River and its tributaries : Area 3 Washington streams from Kiliokitat and Snake Rivers to Grand Coulee Dam, with notes on the Columbia and its tributaries above Grand Coulee Dam Year: 1949 Area 3 includes all tributaries entering the Columbia on the north and west sides from the Klickitat River to Grand Coulee Dam, and the few tributaries entering from the east and south sides between the Snake River and Grand Coulee Dam Close

• 172. [Image] South Fork McKenzie River

  	End of survey South Fork McKenzie River above Elk Creek;1938-07
  	Citation × Citation Citation Abstract Copy Title: South Fork McKenzie River Year: 1938 End of survey South Fork McKenzie River above Elk Creek;1938-07 Title: South Fork McKenzie River Year: 1938 End of survey South Fork McKenzie River above Elk Creek;1938-07 Close

• 173. [Image] Winberry Creek

  	Winberry Creek falls at end of survey;1938-05-19
  	Citation × Citation Citation Abstract Copy Title: Winberry Creek Year: 1938 Winberry Creek falls at end of survey;1938-05-19 Title: Winberry Creek Year: 1938 Winberry Creek falls at end of survey;1938-05-19 Close

• 174. [Image] Winberry Creek falls

  	Falls on Winberry Creek at end of survey Winberry Creek is a tributary of Fall Creek which is part of the Middle Fork Willamette River system;1938-05-19
  	Citation × Citation Citation Abstract Copy Title: Winberry Creek falls Year: 1938 Falls on Winberry Creek at end of survey Winberry Creek is a tributary of Fall Creek which is part of the Middle Fork Willamette River system;1938-05-19 Title: Winberry Creek falls Year: 1938 Falls on Winberry Creek at end of survey Winberry Creek is a tributary of Fall Creek which is part of the Middle Fork Willamette River system;1938-05-19 Close

• 175. [Image] Frey and Bryant in boat

  	Frey and Bryant in boat at start of survey on the North Santiam River; 1940-08-06 Photograph from Album 1 page 47
  	Citation × Citation Citation Abstract Copy Title: Frey and Bryant in boat Year: 1940 Frey and Bryant in boat at start of survey on the North Santiam River; 1940-08-06 Photograph from Album 1 page 47 Title: Frey and Bryant in boat Year: 1940 Frey and Bryant in boat at start of survey on the North Santiam River; 1940-08-06 Photograph from Album 1 page 47 Close

• 176. [Image] Coal Creek cabins

  	Hanavan; Lobell; and Kolloen at stream-survey headquarters on upper Cowlitz. The men are sitting in front of the Coal Creek cabins
  	Citation × Citation Citation Abstract Copy Title: Coal Creek cabins Year: 1937 Hanavan; Lobell; and Kolloen at stream-survey headquarters on upper Cowlitz. The men are sitting in front of the Coal Creek cabins Title: Coal Creek cabins Year: 1937 Hanavan; Lobell; and Kolloen at stream-survey headquarters on upper Cowlitz. The men are sitting in front of the Coal Creek cabins Close

• 177. [Image] Shooting rapids

  	Shooting the rapids on the North Santiam River during the North Santiam survey ; 1940-08-06
  	Citation × Citation Citation Abstract Copy Title: Shooting rapids Year: 1940 Shooting the rapids on the North Santiam River during the North Santiam survey ; 1940-08-06 Title: Shooting rapids Year: 1940 Shooting the rapids on the North Santiam River during the North Santiam survey ; 1940-08-06 Close

• 178. [Image] Niggerhead Creek box canyon (Yellowjacket Creek)

  	Looking down small box canyon on Niggerhead Creek, tributary to Cispus River, 500 yards above road bridge. The stream is 35 feet wide
  	Citation × Citation Citation Abstract Copy Title: Niggerhead Creek box canyon (Yellowjacket Creek) Year: 1936 Looking down small box canyon on Niggerhead Creek, tributary to Cispus River, 500 yards above road bridge. The stream is 35 feet wide Title: Niggerhead Creek box canyon (Yellowjacket Creek) Year: 1936 Looking down small box canyon on Niggerhead Creek, tributary to Cispus River, 500 yards above road bridge. The stream is 35 feet wide Close

• 179. [Image] Niggerhead Creek (Yellowjacket Creek)

  	Niggerhead Creek, tributary to the Cispus River shown 1300 yards above road bridge. There is a log jam in the background. The stream is 40 ft wide
  	Citation × Citation Citation Abstract Copy Title: Niggerhead Creek (Yellowjacket Creek) Year: 1936 Niggerhead Creek, tributary to the Cispus River shown 1300 yards above road bridge. There is a log jam in the background. The stream is 40 ft wide Title: Niggerhead Creek (Yellowjacket Creek) Year: 1936 Niggerhead Creek, tributary to the Cispus River shown 1300 yards above road bridge. There is a log jam in the background. The stream is 40 ft wide Close

• 180. [Image] Looking downstream on east fork of Mayfield Creek

  	East Fork of Mayfield Creek tributary to Loon Creek which is a tributary to the Middle Fork of the Salmon River. Photo is looking downstream over a cascade section in the stream
  	Citation × Citation Citation Abstract Copy Title: Looking downstream on east fork of Mayfield Creek Year: 1941 East Fork of Mayfield Creek tributary to Loon Creek which is a tributary to the Middle Fork of the Salmon River. Photo is looking downstream over a cascade section in the stream Title: Looking downstream on east fork of Mayfield Creek Year: 1941 East Fork of Mayfield Creek tributary to Loon Creek which is a tributary to the Middle Fork of the Salmon River. Photo is looking downstream over a cascade section in the stream Close

• 181. [Image] Box canyon on Rock Creek

  	Box canyon on Rock Creek five miles above mouth. View is typical of rocky nature of stream. The Creek is twenty- five feet wide
  	Citation × Citation Citation Abstract Copy Title: Box canyon on Rock Creek Year: 1936 Box canyon on Rock Creek five miles above mouth. View is typical of rocky nature of stream. The Creek is twenty- five feet wide Title: Box canyon on Rock Creek Year: 1936 Box canyon on Rock Creek five miles above mouth. View is typical of rocky nature of stream. The Creek is twenty- five feet wide Close

• 182. [Image] Alluvial fan

  	Alluvial fan is formed by washout in Thirty-two Creek.. River spreads out in many small channels over the surface.. Stream is inaccessible to salmon.
  	Citation × Citation Citation Abstract Copy Title: Alluvial fan Year: 1941 Alluvial fan is formed by washout in Thirty-two Creek.. River spreads out in many small channels over the surface.. Stream is inaccessible to salmon. Title: Alluvial fan Year: 1941 Alluvial fan is formed by washout in Thirty-two Creek.. River spreads out in many small channels over the surface.. Stream is inaccessible to salmon. Close

• 183. [Image] Recovery of wild salmonids in western Oregon forests : Oregon Forest Practices Act rules and the measures in the Oregon plan for salmon and watersheds

  	"September 8, 1999."
  	Citation × Citation Citation Abstract Copy Title: Recovery of wild salmonids in western Oregon forests : Oregon Forest Practices Act rules and the measures in the Oregon plan for salmon and watersheds Author: Independent Multidisciplinary Science Team (Or.) Year: 1999, 2005 "September 8, 1999." Title: Recovery of wild salmonids in western Oregon forests : Oregon Forest Practices Act rules and the measures in the Oregon plan for salmon and watersheds Author: Independent Multidisciplinary Science Team (Or.) Year: 1999, 2005 "September 8, 1999." Close

• 184. [Image] Life zones with special reference to the botanical features of those of Crater Lake National Park

  	Thesis, M.A., Oregon, Dept. of Biology; Bibliography: p. 70-71
  	Citation × Citation Citation Abstract Copy Title: Life zones with special reference to the botanical features of those of Crater Lake National Park Author: Wynd, Frederick Lyle Year: 1930, 2009 Thesis, M.A., Oregon, Dept. of Biology; Bibliography: p. 70-71 Title: Life zones with special reference to the botanical features of those of Crater Lake National Park Author: Wynd, Frederick Lyle Year: 1930, 2009 Thesis, M.A., Oregon, Dept. of Biology; Bibliography: p. 70-71 Close

• 185. [Image] Oregon aquatic habitat restoration and enhancement guide

  	"May 1999"
  	Citation × Citation Citation Abstract Copy Title: Oregon aquatic habitat restoration and enhancement guide Author: Oregon Plan for Salmon and Watersheds Year: 1999, 2005, 2004 "May 1999" Title: Oregon aquatic habitat restoration and enhancement guide Author: Oregon Plan for Salmon and Watersheds Year: 1999, 2005, 2004 "May 1999" Close

• 186. [Image] Nutrients in the nation's waters : too much of a good thing?

  	Includes bibliographical references (p. 22)
  	Citation × Citation Citation Abstract Copy Title: Nutrients in the nation's waters : too much of a good thing? Author: Mueller, David K. Year: 1996, 2004 Includes bibliographical references (p. 22) Title: Nutrients in the nation's waters : too much of a good thing? Author: Mueller, David K. Year: 1996, 2004 Includes bibliographical references (p. 22) Close

• 187. [Image] Surveying Yakima River

  	Mitch Hanavan and Dick Whiteleather surveying Yakima River in Ellensburg Canyon
  	Citation × Citation Citation Abstract Copy Title: Surveying Yakima River Year: 1936 Mitch Hanavan and Dick Whiteleather surveying Yakima River in Ellensburg Canyon Title: Surveying Yakima River Year: 1936 Mitch Hanavan and Dick Whiteleather surveying Yakima River in Ellensburg Canyon Close

• 188. [Image] Surveying the Yakima River

  	Mitch Hanavan and Dick Whiteleather in boat surveying the Yakima River
  	Citation × Citation Citation Abstract Copy Title: Surveying the Yakima River Year: 1936 Mitch Hanavan and Dick Whiteleather in boat surveying the Yakima River Title: Surveying the Yakima River Year: 1936 Mitch Hanavan and Dick Whiteleather in boat surveying the Yakima River Close

• 189. [Image] Lewiston Dam weir

  	Citation × Citation Citation Abstract Copy Title: Lewiston Dam weir Year: 1938 Title: Lewiston Dam weir Year: 1938 Close

• 190. [Image] Lewiston Dam weir

  	Citation × Citation Citation Abstract Copy Title: Lewiston Dam weir Year: 1938 Title: Lewiston Dam weir Year: 1938 Close

• 191. [Image] Grand Canyon of the Snake River

  	Grand Canyon of Snake River near Box Canyon on Oregon - Idaho border
  	Citation × Citation Citation Abstract Copy Title: Grand Canyon of the Snake River Year: 2004 Grand Canyon of Snake River near Box Canyon on Oregon - Idaho border Title: Grand Canyon of the Snake River Year: 2004 Grand Canyon of Snake River near Box Canyon on Oregon - Idaho border Close

• 192. [Image] Showering at the hot springs

  	Frey and Bryant taking shower at warm springs just above box canyon
  	Citation × Citation Citation Abstract Copy Title: Showering at the hot springs Year: 1941 Frey and Bryant taking shower at warm springs just above box canyon Title: Showering at the hot springs Year: 1941 Frey and Bryant taking shower at warm springs just above box canyon Close

• 193. [Image] Deschutes River horseshoe

  	The horseshoe bend in the Deschutes River, Oregon
  	Citation × Citation Citation Abstract Copy Title: Deschutes River horseshoe Year: 2004 The horseshoe bend in the Deschutes River, Oregon Title: Deschutes River horseshoe Year: 2004 The horseshoe bend in the Deschutes River, Oregon Close

• 194. [Image] Cape Disappointment

  	Cape Disappointment near the mouth of Columbia River
  	Citation × Citation Citation Abstract Copy Title: Cape Disappointment Year: 1937 Cape Disappointment near the mouth of Columbia River Title: Cape Disappointment Year: 1937 Cape Disappointment near the mouth of Columbia River Close

• 195. [Image] Uppermost end of Payette Lake, Idaho

  	Citation × Citation Citation Abstract Copy Title: Uppermost end of Payette Lake, Idaho Year: 1938 Title: Uppermost end of Payette Lake, Idaho Year: 1938 Close

• 196. [Image] Loading gill net

  	Gill net-net being loading into a boat in Ilwaco (Washington)
  	Citation × Citation Citation Abstract Copy Title: Loading gill net Year: 1937 Gill net-net being loading into a boat in Ilwaco (Washington) Title: Loading gill net Year: 1937 Gill net-net being loading into a boat in Ilwaco (Washington) Close

• 197. [Image] Kalama drift near Kalama, Washington

  	Citation × Citation Citation Abstract Copy Title: Kalama drift near Kalama, Washington Year: 1937 Title: Kalama drift near Kalama, Washington Year: 1937 Close

• 198. [Image] North Fork Clearwater River in Idaho

  	Citation × Citation Citation Abstract Copy Title: North Fork Clearwater River in Idaho Year: 1938 Title: North Fork Clearwater River in Idaho Year: 1938 Close

• 199. [Image] Redfish Lakes and Sawtooth Mountains

  	Citation × Citation Citation Abstract Copy Title: Redfish Lakes and Sawtooth Mountains Year: 2004 Title: Redfish Lakes and Sawtooth Mountains Year: 2004 Close

• 200. [Image] Loading gill nets into a boat in Ilwaco

  	Citation × Citation Citation Abstract Copy Title: Loading gill nets into a boat in Ilwaco Year: 1937 Title: Loading gill nets into a boat in Ilwaco Year: 1937 Close