Long's Peak, 178-81, 356, 357; above a snowstorm on, 318, 319; in a high wind, 320-22; moonlight and sunrise on, 328-31; timber-line on, 340, 341. Los Molinos, 214. Lost Creek, 214, 215. Lost in the wilderness, 58-64, 337, 338. Luray Caverns, 268. McClurg, Mrs. Gilbert, 168. McDermott Lake, 149. McFarland, J. Horace, 276. Maligne Lake, 253. Mammoth Cave, 268. Mammoth Hot Springs, 30, 31, 436. Maple Creek Antelope Reserve, 413. Marble Cañon, 191, 205. Marion Lake, 412. Mariposa Grove, 77, 78; sizes of Big Trees, 451. Marshall, Robert B., 279. Mather, Stephen T., 96, 278, 279. Matthes, François E., 71; quoted, 120, 465-68. Mauna Loa, 222, 224-27, 502-04. Meadow Mountain, 179. Menard, Pierre, 21. Merced Grove, 77. Merced River, 66, 67, 70. Mertensia, 124. Mesa Verde National Park, interest of, 161, 162; location, area, and altitude, 162; view from, 162; ancient inhabitants, 163-67; ruins, 167-74; establishment, 168; history, 169-71; in table, 401; guide to, 488-90. Miette Springs, 253. Mills Moraine, 186. Mineral King, 101. Mirror Lake, 93. Mono Desert, 92. Mono Lake, 92. Monroe, Hugh, 158. Montezuma Castle, 405, 512. Moonlight, 326, 327; ascent of Long's Peak by, 328, 329. Morning-Glory Spring, 30. Motorists, advice to, 432. Mt. Adams, 235. Mt. Assiniboine, 412. Mt. Baker, 121, 403. Mt. Cleveland, 358. Mt. Cougar, 233. Mt. Dana, 65, 92. Mt. Evans, 403. Mt. Everts, 63, 441. Mt. Gibbs, 65. Mt. Haleakala, 222, 227, 228, 503, 504. Mt. Hoffman, 88, 91, 357. Mt. Hood, 404. Mt. Jackson, 151, 155. Mt. Lady Washington, 186. Mt. Lyell, 65, 357. Mt. McGregor, 403. Mt. McKinley, 248-50. Mount McKinley National Park, description, 248-50; in table, 402; guide to, 505. Mt. Mauna Loa, 222, 224-27, 502-04. Mt. Mazama, 137-42. Mt. Meany, 233. Mt. Meeker, 178, 179. Mt. Mitchell, 403. Mt. Olympus, 232. Mount Olympus National Monument, description, 230-35; in table, 411; guide to, 512. Mt. Rainier, size and altitude, 116; a volcano, 117, 119; a source of inspiration, 120; discovery and exploration, 120-22; timber-line, 129; glaciers, 130-34; snowfall, 134, 135; streams and erosion, 135, 136; climbing, 356, 465-68. Mount Rainier National Park, area, 116; additions suggested, 117, 266; roads and trails, 117, 118; creation, 122; wild-flower garden, 122-30, 348; trees, 129, 130; animal life, 130; in table, 401; guide to, 460-69. _See also_ Mt. Rainier. Mt. Revelstoke, 260. Mt. Robson, 413. Mt. St. Elias, 266. Mt. St. Helens, 235. Mt. Seattle, 233. Mt. Shasta, 404. Mt. Sheridan, 357. Mt. Sir Donald, 412. Mt. Stephen, 258. Mt. Tahoma. _See_ Mt. Rainier. Mt. Temple, 412. Mt. Thielson, 147.