Lake Shore Geyser, 242. Lake View, 240. Lakes of the Y. N. P., 151. Lamar River, 150. Cañon of, 263. Langford, N. P., 27, 55. advocates Park project, 92. ascends Absaroka Range, 80, 295. ascends Grand Teton, 222, 309. biographical sketch of, 302. first Superintendent Y. N. P., 129. lectures on the Washburn Expedition, 84. measures height of Lower Fall, 325. member of the Washburn Expedition, 75. publishes articles on Washburn Expedition, 84. quoted, 92, 232, 305, 312, 317. reprints Folsom's article, 74. work of, for Park Bill, 92-3. Laws for Y. N. P., lack of, 127. Leases, Act of 1894 regulating, 141, 352. of land to Y. N. P. Improvement Co., 132. and privileges in Y. N. P., 132, 207. revenue from, 128. Lewis and Clark among the Mandans, 1. expedition of, 101. give Colter his discharge, 20. and North-west Fur Co., traders, 33. use name "Yellow Stone," 1, 2. quoted, 20. return journey of, 20. send report to President Jefferson, 1. Lewis Lake, 151. Lewis, Meriwether, kills a Blackfoot Indian, 9. Lewis River, 151. Liberty Cap, 214. "Life in the Rocky Mountains," referred to, 44. quoted from, 44, 48. Lincoln Pass, 23. Linton, Edwin, quoted, 247. Lion Geyser, 232. Lioness Geyser, 232. Lisa, Manuel, at mouth of Bighorn River, 29. Locomotive Spring, 220. Lone Star Geyser, 167, 237. "Lone Traders," 37. Looking Glass, Nez Percé chief, 113. Lookout Hill, 214. Lookout Point, 254. Louisiana, cession of to U. S., 3. Lower Fall of the Y., described, 254. recorded measurements of, 325-6 Lower Geyser Basin, 223. Ludlow, Captain William, explorations of, 105. measures Falls of Y., 105, 326. quoted, 209, 253, 297. report of, 105.