| Figure | 1. | An observation point for finding forest fires. Vigilance is the watchword on the National Forests. During 1916 forest officers extinguished 5,655 forest fires. Photo by the author | Frontispiece |
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| Figure | 2. | A typical National Forest landscape in the high mountains. Potosi Peak, 13,763 feet, from Yankee Boy Basin, Uncompahgre National Forest, Ouray County, Colorado | xviii |
| Figure | 3. | The climate of most of the National Forests is severe. This view was taken in the early summer and shows the high mountains still covered with snow. Most of the National Forest lands are therefore of small value for agriculture. Photo by Abbey | xxviii |
| Figure | 4. | On many high mountains on the National Forests snow banks persist throughout the summer. This view was taken in the latter part of August. Lassen National Forest, California. Photo by the author | xxviii |
| Figure | 5. | The Big Trees. "Mother of the Forest" in the background. North Calaveras Grove, California | xxxii |
| Figure | 6. | A scene on one of the famous National Parks. Upper Lake, Glacier National Park, Northern Rockies, Montana | xxxvi |
| Figure | 7. | The remains of the old boiler house. The town once had a sawmill, planing mill, lath mill, besides modern conveniences. All these are now gone after the forests have been cut. Lemiston, Montmorency County, Michigan | xlii |
| Figure | 8. | Deserted houses, abandoned after the sawmill left. These are the remains of what was once a prosperous town. Lemiston, Montmorency County, Michigan | xlii |
| Figure | 9. | Forest officers in front of the Forest Supervisor's summer headquarters. Note the many telephone wires that lead from the office. This is 50 miles from the railroad. Lassen National Forest, California | 32 |
| Figure | 10. | Scene in front of the Forest Supervisor's headquarters. Sheep leaving the National Forest summer range in the fall to go to winter range in the valley. Lassen National Forest, California | 32 |
| Figure | 11. | Forest officers and lumberjacks burning the slash resulting from a timber sale. The snow on the ground makes the burning less dangerous. Washakie National Forest, Wyoming. Photo by the author | 38 |
| Figure | 12. | Forest officers at a winter timber-cruising camp repairing snow shoes. Besides cruising the timber, these men make a logging map of the government lands, to show how the timber can best be taken out. Lassen National Forest, California. Photo by the author | 38 |
| Figure | 13. | A forest fire lookout tower on Leek Springs Mountain, Eldorado National Forest, California | 50 |
| Figure | 14. | A typical Forest Ranger's headquarters. Idlewood Ranger Station, Arapaho National Forest, Colorado | 52 |
| Figure | 15. | A typical view of the National Forest country in Montana. Forest Service trail up Squaw Peak Patrol Station, Cabinet National Forest | 54 |
| Figure | 16. | Forest Rangers repairing a bridge over a mountain stream. Arapaho National Forest, Colorado | 56 |
| Figure | 17. | A forest fire lookout station on the top of Lassen Peak, elevation 10,400 feet, Lassen National Forest, California. The cabin was first erected complete in a carpenter's shop in Red Bluff, about 50 miles away. It was then taken to pieces and packed to the foot of Lassen Peak. On the last two miles of its journey it was packed piece by piece on forest officers' backs and finally reassembled on the topmost pinnacle of the mountain. Photo by the author | 58 |
| Figure | 18. | Forest officers and laborers building a wagon road through trap rock. Payette National Forest, Idaho | 58 |
| Figure | 19. | Drying pine cones preparatory to extracting the seed. Near Plumas National Forest, California | 66 |
| Figure | 20. | Extracting tree seed from the cones. The dried cones are shaken around until the seeds drop out through the wire mesh which forms the sides of the machine | 66 |
| Figure | 21. | Preparing the ground with a spring-tooth harrow for the broadcast sowing of tree seeds. Battlement National Forest, Colorado. This view was taken at approximately 10,000 feet elevation. Photo by the author | 70 |
| Figure | 22. | A local settler delivering a load of Lodgepole pine cones at the seed extractory, for which he receives 45 cents per bushel. Forest officers receiving them, Arapaho National Forest, Colorado | 232 |
