Figure 34. A forest fire lookout station at the summit of Mt. Eddy. Mt. Shasta in the background. California 124 Figure 35. A forest fire lookout station on the summit of Brokeoff Mountain, elevation 9,500 feet. Lassen National Forest, California. Photo by the author 128 Figure 36. Turner Mountain lookout station, Lassen National Forest, California. This is a 10 ft. by 10 ft. cabin with a stove and with folding bed, table, and chairs. The forest officer stationed here watches for forest fires day and night throughout the fire season. Photo by the author 128 Figure 37. A fire line cut through the low bush-like growth of "Chaparral" on the Angeles National Forest, California. This "Chaparral" is of great value for regulating stream flow. The streams are used for water power, domestic purposes, and for irrigating many of the largest lemon and orange groves of southern California 132 Figure 38. A forest officers' temporary camp while fighting forest fires. Near Oregon National Forest, Oregon 132 Figure 39. Putting out a ground fire. Even if the fire does not burn the standing timber, it kills the young trees and so weakens the larger ones that they are easily blown over. Wallowa National Forest, Oregon 136 Figure 40. Forest officers ready to leave a tool box for a forest fire in the vicinity. Such tool boxes as these are stationed at convenient places on National Forests ready for any emergency. Arapaho National Forest, Colorado 136 Figure 41. A forest fire on the Wasatch National Forest, Utah. Forest officers trying to stop a forest fire by cutting a fire line. Note the valuable growth of young trees which they are trying to save at the right 140 Figure 42. A forest fire running in dense underbrush on one of the National Forests in Oregon 144 Figure 43. Men in a dense forest with heavy undergrowth clearing away brush to stop the fire as it is running down hill. Crater National Forest, Oregon 144 Figure 44. Fire in a Lodgepole pine forest in Colorado. Arapaho National Forest, Colorado 148 Figure 45. A mountain fire in "Chaparral" five hours after it started. Pasadena, California 148 Figure 46. A few years ago this was a green, luxuriant forest. Picture taken after the great fires of August 20, 1910, on the Coeur d'Alene National Forest near Wallace, Idaho 152