Michael Don Carlos, 37, of Nederland, Colorado, was thrown from a raft and into Big Drop Two, a dangerous rapid, while passing through Cataract Canyon on a rafting trip on the afternoon of May 16th. He was able to hold onto the raft at first, but let go for unknown reasons. Without the raftâs high flotation, he was pulled under the surface of the violent rapids and drowned. His body was recovered by a park concessioner and brought downriver, then transferred to the state medical examinerâs office.