J Jewel Lake, 68 Juniper Mountain, 26, 29 Juniper Springs, 109 Jurassic, 7, 9, 23, 36, 52-55, 93 K Kremmling, 19, 20, 60 L La Junta, 8, 35 Lake City, 77, 78 Lake County, 77 Lamar, 8 Landslides, 111-112 La Plata Mountains, 26 Laramide Orogeny, 59, 60 Laramie Formation, 57, 58, 97 Larkspur, 112 La Veta Pass, 17, 18, 37 Lead, 74, 75, 80, 81, 82, 83, 85, 86, 89 Leadville, 1, 22, 77, 78, 82-83 Leadville Limestone, 43, 44, 83, 88, 99, 106, 109 Lime, 75, 101 Lincoln, Mt., 21 Lincoln Porphyry, 21 Lipalian Interval, 7, 36, 39 Littleton, 113 Logan County, 95 Longs Peak, 3, 11, 12, 68 Loveland, 14, 102 Loveland Pass, 12 Lykins Formation, 12, 51, 52, 101 Lyons, 14, 49, 99, 100, 101 Lyons Sandstone, 12, 48, 49, 50, 99, 100, 101 M Magnolia, 79 Mancos Shale, 30, 95 Manitou, 39, 106, 107, 110 Manitou Formation, 40, 41, 110 Manitou Springs, 109 Marble, 24, 99 Marble Mountain, 106 Maroon Bells, Front., 24, 50 Maroon Creek, 24 Maroon Formation, 50 Mary’s Lake, 103 Massive, Mt., 82 McDermott Formation, 58 Mesa de Maya, 8, 35, 62 Mesa Verde, 28, 29, 35 Mesa Verde Formation, 30, 58, 108 Mesa Verde National Park, 31, 71, 108 Mesozoic (see also Triassic etc.), 7, 10, 11, 12, 14, 15, 26, 28, 51-58, 60, 93 Mestas, Mt., 17 Middle Park, 4, 16, 35, 61 Million Dollar Highway, 87, 88 Mills Lake, 68 Milner Pass, 66 Minturn, 39 Minturn Formation, 45, 46, 47 Miocene, 66, 67, 87 Mississippian, 6, 7, 43-44, 83, 106, 109 Moenkopi Formation, 52 Molas Formation, 44 Molas Lake, 25 Molybdenum, 1, 74, 75, 76, 77, 91-92 Monarch Pass, 23 Morgan County, 95 Morrison, 53, 54, 55 Morrison Formation, 12, 36, 51, 53, 55, 93 Mosca Pass, 17, 73 Mosquito Pass, 85 Mosquito Range, 21, 22, 35, 39, 69 Mountain Province, 3, 4, 10-27, 35, 46, 93, 94, 101, 102, 103, 109, 111 Mt. Bross, 21 Mt. Columbia, 22 Mt. Democrat, 21 Mt. Elbert, 22 Mt. Evans, 3, 12 Mt. Garfield, 30 Mt. Harvard, 22 Mt. Lincoln, 21 Mt. Massive, 82 Mt. Mestas, 17 Mt. Princeton, 22 Mt. Princeton Hot Springs, 22, 110 Mt. Sneffels, 87, 88 Mt. Sopris, 24 Mt. Yale, 22 Mt. Zirkel, 19 Music Pass, 17, 73 N Navajo Sandstone, 52 Nederland, 78, 79 Needle Mountains, 26 Niobrara Formation, 57, 101 North Park, 4, 16, 35, 58, 61, 94, 97 O Oil, 1, 29, 30, 75, 76, 94-96 Oil Creek, 94 Oil shale, 95-96 Oligocene, 66, 67 Ordovician, 7, 40-41, 83, 106 Orient, 17 Oro, 82 Otero County, 105 Ouray, 4, 25, 26, 34, 42, 78, 87-88 Ouray Formation, 42