省/ 州: Newfoundland and Labrador, Saint Pierre and Miquelon, Québec, Nova Scotia, New Brunswick, Maine, New Hampshire, Vermont, Massachusetts, Connecticut, New York, New Jersey, Pennsylvania, Maryland, Washington, D.C., Delaware, Virginia, West Virginia, Ohio, Kentucky, Tennessee, North Carolina, South Carolina, 佐治亚州 and 阿拉巴马
造山运动: Grenvillle, Taconic, Acadian, Alleghanian
岩石年代: Mesoproterozoic era (Stenian period) – Paleozoic era (Permian period); 1.2 billion years ago to 300 million years ago
广告Shop Our Latest Styles Of Quality Outdoor Gear For Your Next Adventure! Gear Up For Your Favorite Winter Activities With Backcountry. Shop Now & Get Out There.