Free Images - SnappyGoat.com- bestof:...Testing laboratory at treating and filtration plant, Boulder City Water Supply." - NARA - 293653.jpg Scope and content Photograph from Volume Two of a series of

Free Images: "bestof:...Testing laboratory at treating and filtration plant, Boulder City Water Supply." - NARA - 293653.jpg Scope and content Photograph from Volume Two of a series of"

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