Included are Prairie Creek Redwoods State Park, Harry A Merlo State Recreation Area, Humboldt Lagoons State Park, Yurok Indian Reservation, Smith River National Recreation Area, Six Rivers National Forest, Siskiyou Wilderness, the North Fork Smith River Botanical Area, the Broken Rib Botanical Area, and Klamath National Forest. The trails have been enhanced and road and trail mileage have been added to create a more usable map. Includes UTM grids for use with your GPS unit.