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251 - 275 of 1414 Items << < 6 7 8 9 10 11 12 13 14 15 > >>
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Washougal River power dam showing the downstream front view
1937-04-20
2003-01-01 |
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A rotary drum screen in a diversion ditch on the Wenatchee River
A by-pass provides passage for the fingerlings from in front of the drum screen back to the river 2003-01-01 |
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Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.
1940-02-29
2003-01-01 |
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1 map; 50 x 90 cm. This is approximately the lower left one-fourth of Thompson's map of north-western North America. "The Map made for the North West Company in 1813 and 1814 and delivered to the Honorable William McGillivray then Agent. Embraces...
2024-11-21
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Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, page 11
1963-10-01
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A black-and-white photograph. At the bottom is written in white ink "No 669. Multnomah Falls. 700 feet. Columbia Highway Ore." and a copyright statement with two illegible initials and the name Lavalleur. In the foreground of the photo is a...
2004-08-03
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A black and white view of three steamboats in the water approaching Cascade Locks on the Columbia River. The paddlewheel of the large stern wheeler to the left of the photo can be clearly seen. This ship is much larger than the other two at right,...
2004-04-19
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Images of unlined irrigation canals
2024-11-21
2024-11-21 2007-01-02 2007-01-02 |
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A black-and-white photograph. At the bottom in white ink is written "No. 698 Foot trail bridge at Wah-kee-na Falls. Columbia Highway Ore." The leafy branches of a tree form a frame of the view to the left of the photo. Beyond, the white blur of...
2004-08-03
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A train of the Oregon-Washington Railroad and Navigation Company steams through the midground of this black and white image, taken from the south side of the Columbia River. There is one locomotive and about 10 cars on the train. In the foreground...
2004-03-24
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A black and white view of jagged stumps of trees rising out of the water of the Columbia River. Behind rises a hill or bluff, sparsely covered with trees. The hill, the stumps, and the river dominate the picture. Almost unnoticed at the lower left...
2004-03-24
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Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, page i
1963-10-01
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A sepia-toned photograph of a steamboat (the River Columbia?) at a wharf. The boat is crowded with men, women, and children. A man can be seen at the helm with his hand on the wheel; some of the crowd sit on or stand in front of the railings of...
2004-04-19
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Looking downstream on the Columbia River, with Mount Hood in the background, is the U.S. Army Corps of Engineers John Day Lock and Dam. Work on the South or left shore, being carried on behind the 25-acre cofferdam enclosed work area, is nearing...
1965-11-21
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A black and white photograph of what has been identified as a wooden burial structure on the top of Memaloose Island in the Columbia River. At least 18 skulls and half a dozen long bones sit on top of the board roof of a wooden hut-like structure....
2004-03-24
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1 map: 10 x 18 cm.
The Lewis & Clark expedition reached the mouth of the Columbia River in November, 1805. After a several week delay due to inclement weather, the expedition mapped the area thoroughly before choosing to spend the winter a...
2024-11-21
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A black-and-white photo. The caption in white ink at the bottom reads "Noggi Wah-kee-na-falls Columbia Highway Ore." The waterfall tumbles down from a cleft in the cliffs and descends in tiers, at last running under an arched stone bridge to form...
2004-08-03
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A black and white photograph of The Dalles, Oregon, taken from a hill southeast of town ca. 1908. In the background to the north the Columbia River winds its way to the sea; beyond it rise up low mountains. There are a few buildings on the...
2004-03-24
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Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, table 6
1963-10-01
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Document: Framework for Comparative Economic Studies on Long Range Water Supply From Pacific Southwest, 1964, page 2
1964-11-21
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A black-and-white photograph. At the bottom is written in white ink "Ice banks, 20 feet high, on the banks of the Columbia, at Arlington, after the blockade, Jan 21,1909." On the riverbank the ice is piled up in geometric chunks and is beginning...
2004-08-05
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