ARECIBO, Puerto Rico (AP) -- Search teams on Tuesday found the body of Colin Mike Ewers, a Carleton College student who vanished with his friend in a Puerto Rican jungle days ago.
His body was found trapped under a large boulder near the site where his friend Kristopher Reilly, 24, of Miami, Fla., was found Monday, Delyris Aquino with Puerto Rico's Emergency Management Agency said.
Ewers, 21, of Bloomington, Minn., was found at the base of a 30-foot waterfall on the treacherous Tanama River. Police said it appeared both men drowned but the causes of death had not been confirmed.
The two students were taking part in an astronomy program to gather data from the world's premier radio telescope at Arecibo, 45 miles west of this U.S. territory's capital of San Juan.
The pair set out on the 1 1/2-hour hike Saturday from the observatory to the jungle area, which is surrounded by dense foliage, cliffs and deep canyons. On Tuesday, divers redirected parts of the raging river so they could search for Ewers without being carried away by the current.
Reilly's body was found stuck in a rock cavern in about 15 feet of water and at the base of the waterfall on the snakelike river that stretches 12 miles over mountains and into the sea.
Jagged rocks and whirlpools surround the waterfall's base. Another man drowned in the same spot six years ago, said resident Gustavo Marquez, 29.
Reilly studied at the New College of Florida in Sarasota, Fla. Ewers studied at Carleton College in Northfield, Minn.
Ewers, who had just completed his junior year, was on a one-week trip organized by Carleton physics professor Joel Weisberg -- not a college-sponsored trip. Weisberg, who has traveled to Arecibo for 30 years, often takes students with him.
"He was very curious about the world. He wanted to get out and explore," his grandmother, Artys Ewers of Richland Center, Wis., told the St. Paul Pioneer Press.
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