| Lava Falls, Colorado River, Grand Canyon. Arizona. USGS Earth Science Photographic Archive digital file: hjk00618
 
 James Fennemore photographed this view of the rapid at Lava Falls on April 
      19 or 20, 1872. Jack Hillers returned in January and February 1873 to take 
    more photographs in the Mt. Trumbull and Toroweap area.
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