| Hudson Stuck (photogravure) | Frontispiece |
| | Facing Page |
| Sunrise on the Chandalar-Koyukuk portage | 36 |
| Coldfoot on the Koyukuk | 37 |
| The upper Koyukuk | 50 |
| The barren shores of Kotzebue Sound | 51 |
| Gold-mining at Nome | 122 |
| Pulling the Pelican out with a "Spanish windlass" | 123 |
| The start over the "first ice" | 164 |
| "Rough going" | 165 |
| Arthur and Doctor Burke | 178 |
| Saint John's-in-the-Wilderness, Allakaket, Koyukuk River | 179 |
| The double interpretation at the Allakaket | 186 |
| The wind-swept Yukon within the ramparts | 187 |
| A pleasant woodland trail | 256 |
| An Alaskan chief and his henchman | 257 |
| The Tanana crossing | 270 |
| Good going on the Yukon | 271 |
| "A portage that comes so finely down to the Yukon that there is pleasure in anticipating the view it affords" | 290 |
| Fort Yukon | 291 |
| The rough breaking in of Doctor Loomis, camped on the mail trail at 50° below zero, unable to reach a road-house for the deep snow | 296 |
| Esquimaux of the upper Kuskokwim | 297 |
| "The 'summit' is high above timber-line and the trail pursues a hogback ridge for a mile and a half at the summit level" | 324 |
| A street in Iditarod City | 325 |
| The end of the portage trail | 334 |
| Rough ice on the Yukon | 335 |
| A docile folk, eager for instruction | 350 |
| The mission type | 351 |
| Wild and shy | 351 |
| The native communicant | 360 |
| Raw material | 360 |
| An Esquimau youth | 361 |
| A half-breed Indian | 361 |
| An aged couple | 366 |
| Football at the Allakaket, exposure 1–1000 second, April, after a new light snowfall | 367 |
| The sun dogs | 388 |
| "Tan," of mixed breed | 389 |
| "Muk," a pure malamute | 389 |
| Map of the interior of Alaska showing journeys described in this book | At end of volume |
