In 1911 the Kolb Brothers made a motion picture and still photographs of their trip by boat down the Green and Colorado Rivers. In 1913 Ellsworth took a river trip from Needles to Mexico. Serving as guides and boatmen, the brothers worked for the USGS on a river trip from the upper canyons of the Colorado River down to Lees Ferry in 1921. In 1923 the USGS continued that expedition from Lees Ferry to Needles. Emery also accompanied the Norman Nevills river trip for a short duration in 1938, in which two female botanists became the first women to successfully complete the canyon run.
Ellsworth left the Canyon in 1924; Emery stayed, making photographs until his death in 1976 at the age of 95.
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