Category:Marble (boat)
Used by Emory Kolb in the Colorado River, Grand Canyon National Park.
Media in category "Marble (boat)"
The following 3 files are in this category, out of 3 total.
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17074 Grand Canyon Nat Park Historic River Photo (7305008500).jpg 1,024 × 651; 222 KB
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17091 Grand Canyon Nat Park Historic River Photo (7304889706).jpg 1,024 × 1,544; 272 KB
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2016 Grand Canyon History Symposium Historic Boat Tour 0031.jpg 4,288 × 2,848; 7.44 MB
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