Tag Archives: John Wesley Powell

Images of the Week: Geological Surveys

The theme this week is Geological Surveys. Local Identifier: 57-PS-431A, Photograph of the Grand Canyon Looking East from the Foot of Toroweap, Photograph by John K. Hillers (Powell Survey) Local Identifier: 57-HS-188, “Old Faithful in eruption, Yellowstone, 1872”, Photograph by … Continue reading

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