In 1965 , they tried to seal what was thought to be a storm drain in Smith 's Cove .
In 1965 , they dug a shaft down to 27 feet ( 8.2 m ) .
In 1965 , they tried to seal what was thought to be a storm drain in Smith 's Cove and dug a shaft down to 27 feet ( 8.2 m ) .