Here's some great information and tips, on catching river smallmouth bass.
5 Keys to Catching River Current Smallmouths - Wired2Fish
Magic Temperatures for River Smallmouth Bass - In-Fisherman
Catch River Smallmouth Bass - In-Fisherman
Smallmouth Bass Fishing Tips from Matt Straw (In-Fisherman) – The
Can't Crack the Code - Go Junk Fishing
In-Fisherman TV (Season 46) E:4 - Timeless Smallmouth Bass Tactics
Top Tactics for River Smallmouth Bass - Game & Fish
Warm Up To Winter Smallmouth Fishing
Find River Smallmouth Bass in the Flow - Game & Fish
Fly Fishing for Topwater Smallmouth Bass - Fly Fisherman
Smallmouth Bass Fishing in Canada
Smallmouth Bass: Understanding River Migrations - The Fisherman
Smallmouth Crankbait Tactics for Fall - In-Fisherman