In this serial continuation, I'm focusing on his map of Louisiana and Arkansas from 1864, particularly the Shreveport area.

Today, O'Rourke Canal (Slough) in northwestern Louisiana, a historical remnant of the Great Raft, is just a small ditch.

The Great Raft of the Red River: A Massive Log Jam with its own Eco System

Was Cane River in Natchitoches really once the Red River?