We've added a link in the left column to the BLM's guide for the Lower Salmon River from Hammer Creek to Heller Bar. The BLM Cottonwood Field Office has these maps on their portion of the overall BLM website. They also have prepared a guide for the Vinegar Creek to Hammer Creek section.
The Hammer to Heller section has 23 individual maps. The Vinegar to Heller features 16 maps. Each map covers a few river miles. You can go to the BLM webpage that shows these maps by clicking on the graphic in the left hand column.
These guides are a great example of a good mainstream approach for a river guide.