Lewis and Clark, antedated on the Missouri, 139; Dorion with, 151; their expedition, 158; ready to start, 160; start for winter quarters, 161; men and boats, 161, 162, 163; first sight of Rocky Mountains, 164; in the untrodden Wilderness, 166; pass over the Great Divide, 168; down Snake River and the Columbia, 170; at Fort Clatsop, 171; leave Fort Clatsop, 172; reach St. Louis, 174 Lewis, clerk of the _Tonquin_, blows up the ship, 202 Lewis, Meriwether, desires to explore to the Pacific with Michaux, 156; secretary to Jefferson, 156; character and age of, 157; leaves for La Charette, 161; writes to Chaboillez, 162; accidentally shot, 163; on the Divide, 168; shoots a Blackfoot, 172 Linguistic map of the Amerinds, 62 Linn, _Story of the Mormons_, 306 Lisa, Fort, 222 Lisa, Manuel, 151; character and age of, 194; opposes Hunt, 203; goes up the Missouri, 203; quarrels with Hunt, 206; activity of, 221; made sub-agent for the tribes of the Missouri, 221; last voyage and death of, 221; closes an epoch, 232 Little Colorado River, 116 Little Gun, Crow chief, 293 Locations of early Pueblo villages, 115 Lodges, construction of beaver, 21 Lodore, canyon of Green River, 240; described, 294; descent of river in, 295; trappers wrecked in, 295; Powell wrecked in, 322 Lolo Creek, 169; Pass, 169 Lonely Dell, 318 Long, expedition of, 221; outfit, 222; steamboat of, 222; takes to horses, 222; route, 223; reaches the Arkansas, 226; party divides, 226; searches for Red River, 226; pessimistic on the value of the Wilderness, 304 Longfellow's _Evangeline_, 130 Long's Peak, Pattie goes there, 249 Lopez enters New Mexico, 114 Loreto, Mission of, 120 Los Angeles, Spanish trail to, 270 Louisiana, 219; La Salle's claim to, 133; becomes a French province, 138; ceded by France to Spain, 141; undefined area of, 145; transferred by Spain to France, 152; bought by the United States, 152; transferred to the United States, 152; undefined, 153; map of, 154; western limit claimed by the United States, 155; defined by Spain, 161; purchase ratified by Congress, 161; cession consummated to United States, 161; bounds of, 181; claims as to boundaries, 181; boundary between it and British territory, 219; bearing of Pacific Fur Company on boundary of, 219; boundary, 220; Purchase limits, 220 Lussat, 152 M McClellan, 174, 205, 216 McCracken, 162