Inside the bottle was a 1959 letter from American geologist Paul Walker, recording the measurements of the glacier and asking whoever found the note to re-measure the distance and send him the information.
Mr Vincent says he instantly recognized the name of Walker, a famed geologist who died in his 20s after a medical emergency at the remote location in the same year the letter was written.
He said Walker and his colleague Albert Crary showed amazing foresight to leave the letter as a “message to the future”.
“Because in the 50s it was unthinkable this would melt”, said Mr Vincent.
“The changes are extraordinary, particularly in the last 10 years, and especially in the last years.”
“This is the most remote part of North America, and the coldest coastal zone. This also makes the evidence of substantial glacial retreat of great interest,” he told Grind TV. The 1.2-meter gap between the cairn and glacier in 1959 has today widened to 101.5 meters as the glacier shrunk.