A Yellowstone geyser in action _frontispiece_ Sacajawea with Lewis and Clark 33 Manuel Lisa’s fort built in 1807 39 Eastern section of Colter’s route 46 Map of 1814 depicting Lewis and Clark route 48-49 Colter and Potts under attack 53 Mountain Indian clan 62 Family of Sheepeater Indians facing 66 Beaver at work 72 Part of a trapper brigade 75 Gun and powder horn 79 Remnants of Sheepeaters’ wickiup facing 86 Horse and travois transportation 89 Trapper observing Riverside Geyser 97 Jim Bridger 109 Rare species of aquatic life 119 Bighorn resentful toward invaders 125 Part of Washburn-Langford-Doane party in camp 133 Dr. Ferdinand V. Hayden facing 136 The Hayden expedition in camp facing 138 President Ulysses S. Grant signing the Yellowstone National Park Bill 143 The iron horse in buffalo country—an early Wyoming scene facing 154 Strong medicine against the Indians facing 158 Chief Joseph, war chief of the Nez Percé 167 A general map of Chief Joseph’s flight 171 George F. Cowan stands up to Nez Percé warriors 173 Radersburg tourist party marker facing 174 Detail map showing Nez Percé movements in Yellowstone Park 179 Indian war club and peace pipe 191 Stagecoach 193 “Yankee Jim”—James George facing 198 “Uncle” John Yancey 203 Golden Gate drive 209 “Beaver Dick”—Richard Leigh—and family, 1871 facing 238 Superintendent Philetus W. Norris facing 240 Old Fort Yellowstone 243 Poacher caught in the act 249 Wild and dangerous despite appearances 255 Grizzly, king of the Rockies 257 Cavalry troops in Park patrol 263