Six Rivers Forest map. The 6 RIVERS atlas, is a spiral bound book - a collection of all the quads. (7.5 minute topographical maps, of all of Six Rivers National Forest, California) This book map has detailed topo lines, mountain peaks, streams, lakes, hiking trails & back roads. Perfect for all kinds of recreational needs. These particular maps are on a per order basis, meaning most have to be special ordered from the ranger - which takes about a week to get them.