| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 51 |
 |
On the Colorado below the outlet of Grand Lake | 1933 | Image | uum_map_rr |
| 52 |
 |
Sources of the Colorado River - A glade in the North Fork country. | 1933 | Image | uum_map_rr |
| 53 |
 |
Sources of the Colorado River - At left, abandoned mine shaft on Mt. Richthofen. Right center, wheelbarrow & tools hidden under ledge. | 1933 | Image | uum_map_rr |
| 54 |
 |
Sources of the Colorado River - In the North Fork country. | 1933 | Image | uum_map_rr |
| 55 |
 |
Sources of the Colorado River - Lulu City-old mining camp on north fork Colo. R. | 1933 | Image | uum_map_rr |
| 56 |
 |
Sources of the Colorado River - Mt. Richthofen. | 1933 | Image | uum_map_rr |
| 57 |
 |
Sources of the Colorado River - Never Summer Range. | 1933 | Image | uum_map_rr |
| 58 |
 |
Sources of the Colorado River - North Fork Colorado R. | 1933 | Image | uum_map_rr |
| 59 |
 |
Sources of the Colorado River - North Fork Colorado R. from irrigation canal. | 1933 | Image | uum_map_rr |
| 60 |
 |
Sources of the Colorado River - North Fork valley. | 1933 | Image | uum_map_rr |
| 61 |
 |
Sources of the Colorado River - Tepee Mt. and Mt. Richthofen. | 1933 | Image | uum_map_rr |