| | Title | Date | Type |
|---|
| 1 |  | Alton Camp, SE-212 | 1933-06; 1933-07; 1933-08 | Image |
| 2 |  | Antelope Springs Camp, engraved rock | 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942 | Image |
| 3 |  | Antelope Springs Camp, foundation exterior | 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942 | Image |
| 4 |  | Antelope Springs Camp, foundation exterior | 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942 | Image |
| 5 |  | Antelope Springs Camp, foundation exterior with tree | 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942 | Image |
| 6 |  | Antelope Springs Camp, foundation interior | 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942 | Image |
| 7 |  | Antelope Springs Camp, Gabion wall remains | 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942 | Image |
| 8 |  | Antelope Springs Camp, Gabion wall remains | 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942 | Image |
| 9 |  | Antelope Springs Camp, Gabion wall remains | 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942 | Image |
| 10 |  | Ashley A. Workman, bridge abutment construction | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 11 |  | Ashley A. Workman, bridge abutments | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 12 |  | Ashley A. Workman, bridge construction | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 13 |  | Ashley A. Workman, bridge construction | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 14 |  | Ashley A. Workman, bridge construction | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 15 |  | Ashley A. Workman, bridge construction across river | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 16 |  | Ashley A. Workman, bridge construction over water | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 17 |  | Ashley A. Workman, bridge construction temporary structure | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 18 |  | Ashley A. Workman, bridge construction with crew | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 19 |  | Ashley A. Workman, bridge construction with crew on structure | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 20 |  | Ashley A. Workman, bridge construction with crew on structure | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 21 |  | Ashley A. Workman, bridge construction with man atop scaffolding | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 22 |  | Ashley A. Workman, bridge construction with men on structure | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 23 |  | Ashley A. Workman, bridge construction with scaffolding | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 24 |  | Ashley A. Workman, bridge foundation with ladder | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |
| 25 |  | Ashley A. Workman, bridge foundations in river | 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941 | Image |