In rivers, you could be trolling your bait over water as shallow as 2 feet deep. Use planar boards to carry your bait out wide from the boat. Focus on staggering your rods at different angles and distances so they fish roughly 30+ feet apart from each other.

Troll with the Current: This is the easiest way and will keep your lures at the desired depth. On the other hand, trolling uptide will create a water ski effect and raise your lures. Lots of Turns: If you incorporate a series of turns into your trolling pattern, you can fish a pretty wide spectrum of the water column.