LIST OF ILLUSTRATIONS xxv 



FIG. Page 



160. Alfalfa renovator 438 



161. Clod crusher, pulverizer, leveler and smoother 438 



162. Frieze water register 439 



163. Device for measuring miner's inches 440 



164. Cross-section of canal for measurement of flow 440 



165. Current meters 441 



166. Grant-Mitchell meter 442 



167. Leveler in action 443 



168. Sagebrush land 446 



169. The Boon ' 447 



170. Shadof of Egypt or Paecottah of India 448 



171. Caravan crossing the plains in early irrigation days 455 



172. Irrigation canals are cut through the mountains 459 



173. Major J. W. Powell 463 



174. Completed diversion dam of the Truckee Carson, Nev., pro- 



ject of the United States Reclamation Service 465 



175. Steam power digs the modern canals 466 



176. View of the irrigation plant of the Utah Experiment Station. . . 467 



177. Dam of Salmon River project, Idaho, built by private enter- 



prise 468 



178. Plant for the study of the measurement and division of water. 469 



179. Work for a man. . . 475 



