1969 Press Photo American Falls looked during normal flow before water cut off.

This is how the American Falls looked during normal flow before last June when U.S. Army Engineers cut off the water at the high crest so engineers and geologists can try to find out how to halt the erosion of the rocky bed of what many consider Niagara Falls' most beautiful cascade.

Photo is dated 1969.

Photo measures 8.5 x 6.75 inches.