Manuscripts
Dave following streamer entrant to 187 1/2 Mile Rapid, Cataract Canyon. In making the pring, the boat was cut off the left side
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Dave lashing boats together at lower rapid of the "Big Drop", Mile 202, Cataract Canyon
Manuscripts
mssMarston papers V013/0010
The USGS boats lashed together in the riffle at Mile 187 1/2 with the motion picture camera running from the rear boat at left
Manuscripts
mssMarston papers V015/0030
