He was guided by a Mi'kmaw man named Sylvester Joe .
In 1822 , explorer William Cormack traversed Newfoundland 's interior from Trinity Bay to St. George 's Bay .
William Cormack was guided by a Mi'kmaw man named Sylvester Joe .
In 1822 , explorer William Cormack traversed Newfoundland 's interior from Trinity Bay to St. George 's Bay .