The dam is 450 feet across the river's width, built to collect water for Seymour.
Jeremy Sweet, 41, was sentenced to in prison in a Bartholomew County courtroom on Tuesday.
The investigation remains ongoing.
Deputies found the man in the woods near the Bellford Bridge around 7:15 p.m. Thursday.
The Jackson County Sheriff's Office worked to solve the cold case involving three teens 52 years ago.
Police are investigating the case.
The sheriff said the two were last seen Wednesday, Nov. 24, at noon.
Station Louisville is the fourth of five new Coast Guard stations to open in the district that covers 26 states.
On Aug. 31, the Silver Alert was canceled without explanation.
Indiana officials at about 12:14 p.m. Wednesday recovered the body of Cung Hu, 38. About 6½ hours later, officials also recovered the body of Hrang Mang, 42. Both victims were from Indianapolis.