| Title | Date | Type | ||
|---|---|---|---|---|
| 1 | Green Mountain Dam, Colorado, Sept. 1939: Axis of dam and cutoff wall | 1939-09 | Image/StillImage | |
| 2 | Green Mountain Dam, Colorado, Sept. 1939: Dam site | 1939-09 | Image/StillImage | |
| 3 | Green Mountain Dam, Colorado, Sept. 1939: Diversion tunnel outlet | 1939-09 | Image/StillImage | |
| 4 | Green Mountain Dam, Colorado, Sept. 1939: Government camp | 1939-09 | Image/StillImage | |
| 5 | Green Mountain Dam, Colorado, Sept. 1939: Lower outlet of diversion tunnel | 1939-09 | Image/StillImage | |
| 6 | Green Mountain Dam, Colorado, Sept. 1939: Walter Blomgren, Richard Ward | 1939-09 | Image/StillImage | |
| 7 | Timber line | 1939-09 | Image/StillImage | |
| 8 | Yourdon family photographs: family and friends [05] | 1923 | Image/StillImage | |
| 9 | Yourdon family photographs: family and friends [17] | 1924; 1925 | Image/StillImage |