| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 676 |
 | Hobbs, Ray OH18_026 | 2017 | Text | wsu_webda_oh |
| 677 |
| Holston, Linnard OH11_006 | 2013 | Text | wsu_webda_oh |
| 678 |
| Homes, Ron OH5_010 | 2019 | Text | wsu_ms |
| 679 |
| Hoogland, Evelyn OH18_027 | 2017 | Text | wsu_webda_oh |
| 680 |
 | Hoover Dam | Image/StillImage | wsu_ucui_photo | |
| 681 |
 | Hoover Dam_ Cart | Image/StillImage | wsu_ucui_photo | |
| 682 |
 | Hoover Dam_2 Millionth Ton | Image/StillImage | wsu_ucui_photo | |
| 683 |
 | Hoover Dam_Aerial | Image/StillImage | wsu_ucui_photo | |
| 684 |
 | Hoover Dam_Arch | Image/StillImage | wsu_ucui_photo | |
| 685 |
 | Hoover Dam_Barge | Image/StillImage | wsu_ucui_photo | |
| 686 |
 | Hoover Dam_Cement Blocks | Image/StillImage | wsu_ucui_photo | |
| 687 |
 | Hoover Dam_Edmund O Wattis | Image/StillImage | wsu_ucui_photo | |
| 688 |
 | Hoover Dam_High Scalers | Image/StillImage | wsu_ucui_photo | |
| 689 |
 | Hoover Dam_Housing | Image/StillImage | wsu_ucui_photo | |
| 690 |
 | Hoover Dam_Jumbo Drill | Image/StillImage | wsu_ucui_photo | |
| 691 |
 | Hoover Dam_Night Lights at the Dam | Image/StillImage | wsu_ucui_photo | |
| 692 |
 | Hoover Dam_Partial Finished Dam | Image/StillImage | wsu_ucui_photo | |
| 693 |
 | Hoover Dam_Payline | Image/StillImage | wsu_ucui_photo | |
| 694 |
 | Hoover Dam_Powder Monkeys | Image/StillImage | wsu_ucui_photo | |
| 695 |
 | Hoover Dam_President Hoover | Image/StillImage | wsu_ucui_photo | |
| 696 |
 | Hoover Dam_The Six Companies | Image/StillImage | wsu_ucui_photo | |
| 697 |
 | Hoover Dam_William H. Wattis | Image/StillImage | wsu_ucui_photo | |
| 698 |
 | Hoover Dam_Workers | Image/StillImage | wsu_ucui_photo | |
| 699 |
 | Hoover Dam_Workers | Image/StillImage | wsu_ucui_photo | |
| 700 |
| Horton, George OH18_028 | 2017 | Text | wsu_webda_oh |