Middle Fork & Main Salmon River GuideThe RiverMaps Guide to the Middle Fork and Main Salmon Rivers is the must have guidebook for your Idaho Salmon River trip. This guidebook covers 184 river miles of the permitted sections of both the Middle Fork and the Main Salmon from Boundary Creek on the Middle, to the Carey Creek take out on the Main. "Go with the flow" map orientation for easy reading and downstream interpretation USGS topographic map backgrounds, printed at their original scale,