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  • General map (1923)
  • Irrigation--United States (western)--Maps; ;; ;;; Columbia Basin Project (U.S.)
  • 1 map ; negative : 18 x 34 cm. Gravity Project Area, Pumping Project Area, and Boundary of watershed above Albany Falls all marked by differentiated shading. Before the arrival to Washington State of the first irrigation projects handled by the...
  • Early Washington Maps
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  • Map of main canal, gravity plan (1923)
  • Irrigation--Washington (State)--Maps; Columbia Basin Project (U.S.)
  • 1 map ; negative : 13 x 35 cm. Before the arrival to Washington State of the first irrigation projects handled by the U.S. Reclamation Service, the Northern Pacific Railroad and other railway companies funded private irrigation projects in the...
  • Early Washington Maps
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  • Map of main canal, pumping plan (1923)
  • Irrigation--Washington (State)--Columbia River Valley--Maps; Columbia Basin Project (U.S.)
  • 1 map ; negative : 21 x 32 cm. This was a preliminary map showing one particular plan for the irrigation of the Columbia Basin. As noted in the title, this map represented the pumping plan, whereby a dam would be constructed at Grand Coulee and...
  • Early Washington Maps
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  • Columbia River Dam - Grand Coulee generating, pumping & switch stations preliminary estimate drawing (1924)
  • Irrigation--Washington (State)--Columbia River Valley--Maps; Columbia Basin Project (U.S.); Grand Coulee Dam--Plans
  • 1 map : 26 x 43 cm. Scale: 1 in. = 400 ft. Inset: Section thru dam This is a very preliminary design map showing how a dam could be placed at Grand Coulee. Initial excavation for a dam there didn't begin until 1933, by which point several designs...
  • Early Washington Maps
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  • Map of irrigable areas and canal system, pumping plan (1923)
  • Irrigation--Washington (State)--Columbia River Valley--Maps; Columbia Basin Project (U.S.)
  • 1 map ; negative : 32 x 27 cm. This was a preliminary map showing one particular plan for the irrigation of the Columbia Basin. As noted in the title, this map represented the pumping plan, whereby a dam would be constructed at Grand Coulee and...
  • Early Washington Maps
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  • [Hermiston Oregon] (1910)
  • Hermiston (Or.)--Description and travel--Aerial--Maps; Hermiston (Or.)--Pictorial Works; Umatilla Project--Maps
  • 1 bird's-eye view: col., 14 x 19 cm. Inset: Oregon When the Post Office denied the proposed young town of Maxwell, Oregon, permission to use that name, they were forced to choose another. They chose 'Hermiston.' The name came from "Weir of...
  • Early Washington Maps

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