| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 651 |  | Hobbs, Ray OH18_026 | 2017 | Text | wsu_webda_oh |
| 652 | | Holston, Linnard OH11_006 | 2013 | Text | wsu_webda_oh |
| 653 | | Homes, Ron OH5_010 | 2019 | Text | wsu_ms |
| 654 | | Hoogland, Evelyn OH18_027 | 2017 | Text | wsu_webda_oh |
| 655 |  | Hoover Dam | Image/StillImage | wsu_ucui_photo | |
| 656 |  | Hoover Dam_ Cart | Image/StillImage | wsu_ucui_photo | |
| 657 |  | Hoover Dam_2 Millionth Ton | Image/StillImage | wsu_ucui_photo | |
| 658 |  | Hoover Dam_Aerial | Image/StillImage | wsu_ucui_photo | |
| 659 |  | Hoover Dam_Arch | Image/StillImage | wsu_ucui_photo | |
| 660 |  | Hoover Dam_Barge | Image/StillImage | wsu_ucui_photo | |
| 661 |  | Hoover Dam_Cement Blocks | Image/StillImage | wsu_ucui_photo | |
| 662 |  | Hoover Dam_Edmund O Wattis | Image/StillImage | wsu_ucui_photo | |
| 663 |  | Hoover Dam_High Scalers | Image/StillImage | wsu_ucui_photo | |
| 664 |  | Hoover Dam_Housing | Image/StillImage | wsu_ucui_photo | |
| 665 |  | Hoover Dam_Jumbo Drill | Image/StillImage | wsu_ucui_photo | |
| 666 |  | Hoover Dam_Night Lights at the Dam | Image/StillImage | wsu_ucui_photo | |
| 667 |  | Hoover Dam_Partial Finished Dam | Image/StillImage | wsu_ucui_photo | |
| 668 |  | Hoover Dam_Payline | Image/StillImage | wsu_ucui_photo | |
| 669 |  | Hoover Dam_Powder Monkeys | Image/StillImage | wsu_ucui_photo | |
| 670 |  | Hoover Dam_President Hoover | Image/StillImage | wsu_ucui_photo | |
| 671 |  | Hoover Dam_The Six Companies | Image/StillImage | wsu_ucui_photo | |
| 672 |  | Hoover Dam_William H. Wattis | Image/StillImage | wsu_ucui_photo | |
| 673 |  | Hoover Dam_Workers | Image/StillImage | wsu_ucui_photo | |
| 674 |  | Hoover Dam_Workers | Image/StillImage | wsu_ucui_photo | |
| 675 | | Horton, George OH18_028 | 2017 | Text | wsu_webda_oh |