ILLUSTRATIONS 



ROUTE MAP. 



For the convenience of the traveler the sheets of the route map are so folded and placed tliat he can 

 unfold thein one by one and keep each one in view while he is reading the text relating to it. A reference 

 in parentheses is given in the text at each point where a new sheet should be unfolded. 



Sheet 1. Council Bluffs, Iowa, to Ames, Nebr 18 



2. North Bend to Clarke, Nebr 22 



3. Thummel to Buda, Nebr 26 



4. Kearney to Gothenbui^, Nebr - 28 



5. Vroman to Dexter, Nebr - 30 



6. Paxton to Ealton, Nebr 34 



7. Chappell to Owasco, Nebr -^6 



38 



8. Kimball, Nebr., to Archer, "\Vyo 



50 



9. Cheyenne to Harper, Wyo 



10. Harper to Fort Steele, Wyo 62 



11. Lahkota to Red Desert, Wyo * 68 



12. Hillside to Rock Springs, Wyo 70 



13 . Kanda to Carter, Wyo - - 76 



14. Antelope, Wyo., to Devils Slide, Utah * 88 



15. Morgan to Midlake, Utah 102 



15a. Ogden, Utah, to Weston, Idaho H^ 



15b. Dayton to Pocatello, Idaho ■ - 124 



15c. Tyhee to Winder, Idaho 138 



15d. Rexburg, Idaho, to Yellowstone, Mont 1^8 



16. Rambo to Umbria Junction, Utah l^t> 



17. Umbria Junction, Utah, toAlazon, Nev --. --- 162 



18. Tulasco to Palisade, Nev 168 



19. Gerald to Comus, Nev 170 



20. Preble to Zola, Nev - ^^^ 



21. Nenzel to Luva, Nev ■ - - • ' ^^ 



22. Fernley, Nev., to Summit, Cal - - - 202 



23. Soda Springs to Roseville, Cal 2 14 



24. Antelope to Port Costa, Cal 218 



25. Port Costa to San Francisco, Cal - 224 



PLATES. 



Page. 



Plate I. Relief map showing surface features of the western part of the 



United States - ® 



II. Animals that lived in central North America in Pliocene and Pleis- 

 tocene time: A, Saber-toothed tiger and giant wolves on the car- 

 caaa of a Pleistocene elephant; B, Elephants; C, Gl>T)todonts; 



JD, Musk ox; E, Homed gophers *;""".V ^^ 



III The plains of Nebraska: A, Fifty years ago; B, Now covered with 



com- a When buffalo roamed over them; D, Supportmg herds of 



domestic cattle - ■ 



237 



