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| Adapted from an illustration of the United States Geological Survey |
| Bird's-Eye View of Yosemite Valley |
66 |
| Half Dome, Yosemite |
70 |
| From a photograph by George R. King |
| Upper and Lower Yosemite Falls |
84 |
| From a photograph by the Pillsbury Picture Company |
| Lake Tenaya, Yosemite National Park |
88 |
| From a photograph by the Desmond Company |
| The Four Brothers, Sequoia National Park |
104 |
| From a photograph by Lindley Eddy, Ranger, Cal. |
| Stage Road, Mount Rainier National Park |
118 |
| From a photograph by Curtis & Miller, Seattle, Wash. |
| Mount Rainier from Paradise Valley |
124 |
| From a photograph by Curtis & Miller |
| Crater Lake and Wizard Island |
138 |
| From a photograph by the Kiser Studio |
| Phantom Ship, Crater Lake |
144 |
| By permission of the National Park Service |
| McDermott Falls and Grinnell Mountain, Glacier National Park |
150 |
| From a photograph by Haynes, St. Paul |
| Spruce Tree House, Mesa Verde National Park |
166 |
| From a photograph by Arthur Chapman |
| Estes Park and Rocky Mountain National Park |
176 |
| From a photograph by Enos A. Mills. |
| Loch Vale, Rocky Mountain National Park |
180 |
| From a photograph by W. T. Parke, Estes Park, Colo. |
| Fern Lake, Rocky Mountain National Park |
188 |
| From a photograph by H. T. Cowling |
| Looking West from North Side of Grand Cañon, showing Point Sublime and Isis Temple |
192 |
| By permission of the Department of the Interior |
| Lassen Peak in Eruption |
214 |
| From a copyright photograph by B. F. Loomis |
| Mount St. Helens from the Timber-Line Trail on Mount Rainier |
234 |
| From a photograph by A. H. Barnes |
| Rainbow Natural Bridge, Rainbow National Monument |
238 |
| From a photograph by the Geological Survey |
| Illecillewaet Valley, with Mount Sir Donald in the Distance, Glacier Park, Canada |
252 |
| From a photograph taken for the Commissioner of Dominion Parks |
| Teton Mountain Region: Proposed Addition to Yellowstone Park |
266 |
| From a photograph by J. E. Stimson |
| Mount Baker from the West |
270 |
| From a copyright photograph by W. H. Wilcox, Port Townsend, Wash. |
| Mount St. Elias from East Side of Agassiz Glacier, Alaska |
274 |
| From a photograph by J. C. Russell |
| On the Road to Sherman Tree,
|