| The Home of the Whirlwind (page 78) Near the top of Long's Peak. | Frontispiece |
| A Snow-Slide Region Near Telluride, Colorado. | 6 |
| Mt. Meeker | 20 |
| A Beaver House in Winter Lily Lake, Estes Park. | 38 |
| |
| A Beaver Canal Length, 334 feet; average width, 26 inches; average depth, 15 inches. | 56 |
| Aspens cut by Beaver On slope of Mt. Meeker. | 64 |
| Wind-blown Trees at Timber-Line Long's Peak. | 76 |
| Sierra Blanca in Winter | 110 |
| Spanish Moss Lake Charles, Louisiana. | 124 |
| A Forest Fire on the Grand River Near Grand Lake, Colorado. | 140 |
| A Yellow Pine, Forty-Seven Years after it had been killed by Fire Estes Park. | 154 |
| A Tree killed by Mistletoe and Beetles Estes Park. | 184 |
| Woodpecker Holes in a Pine injured by Lightning Estes Park. | 198 |
| Johnny and Jenny | 210 |
| Near the Top of Mt. Coxcomb | 228 |
| Court-House Rock | 242 |
| The Hallett Glacier | 250 |
| A Crevasse Hallett Glacier. | 260 |
| Among the Clouds Continental Divide, near Long's Peak. | 272 |
| Full Streams Near Telluride, Colorado. | 286 |
| On Grand River, Middle Park, in Winter | 310 |
| Snow and Shadow Long's Peak. | 318 |
| The Home of the Frémont Squirrel On the Little Cimarron River. | 326 |
| Long's Peak and Estes Park | 338 |
