Original Issue Date 1977; Latest Revision 2020Green Trails Maps show the most current trail, road, and access information to national forests, national parks, state and local parks and other public lands. Mount Baker-Snoqualmie National Forest North Cascades National Park Ross Lake National Recreation Area Noisy Diobsud Wilderness North Cascades National Park Visitor Center Hagan Mountain Marblemount Ranger Station Newhalem and Goodell Creek Campgrounds