Snake & Lower Salmon River Guide BookThe RiverMaps Guide to the Snake River in Hells Canyon and the Lower Salmon River is the must have guidebook for your trip along the Snake or Lower Salmon River. This guidebook covers both the Snake River through Hells Canyon to Heller Bar and the Lower Salmon River from Hammer Creek to its confluence with the Snake. "Go with the flow" map orientation for easy reading and downstream interpretation USGS topographic map backgrounds, printed at their