Indiana's White River is actually two rivers. The West Fork of the White River begins near Muncie, Indiana as a run-off from a field. The East Fork begins at Columbus, Indiana at the confluence of two other rivers. Both rivers are respectable in size and length. By they time the forks join, the White River is the largest tributary to the Wabash River, which is the largest northern tributary to the Ohio River, which is interestingly the largest tributary to the Mississippi River.
The White River Guidebook includes both the East and West Forks. It features over 75 photos and 37 charts. Important information is included regarding low-head dams that must be portaged. The White Rivers have 184 bridges and 173 tributaries. All are important to know the location of. "Reading the River" chapter is also included with this book.