| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 776 |  | Lucas, Frank OH12_009 | 2013 | Text | wsu_webda_oh |
| 777 |  | Lucky Mc Uranium_750 Tons of Ore Per Day | Image/StillImage | wsu_ucui_photo | |
| 778 |  | Lucky Mc Uranium_Barrels of Uranium | Image/StillImage | wsu_ucui_photo | |
| 779 |  | Lucky Mc Uranium_Geiger Counter | Image/StillImage | wsu_ucui_photo | |
| 780 |  | Lucky Mc Uranium_Lucky Mc Shovel | Image/StillImage | wsu_ucui_photo | |
| 781 |  | Lucky Mc Uranium_One Millionth Ton | Image/StillImage | wsu_ucui_photo | |
| 782 |  | Lucky Mc Uranium_Rotary Drills | Image/StillImage | wsu_ucui_photo | |
| 783 |  | Lucky Mc Uranium_Safety Measures | Image/StillImage | wsu_ucui_photo | |
| 784 |  | Lucky Mc Uranium_Shirley Basin | Image/StillImage | wsu_ucui_photo | |
| 785 | | MacKay, Kathryn OH19_019 | 2019 | Text; Image/StillImage; Image/MovingImage | wsu_bs_oh |
| 786 |  | Magdiel, Jack OH3_053 | 2021 | Text | wsu_oh |
| 787 |  | Marcona Iron_Marcona Gate | Image/StillImage | wsu_ucui_photo | |
| 788 |  | Marcona Iron_Marcona Workers | Image/StillImage | wsu_ucui_photo | |
| 789 |  | Marcona Iron_San Juan Prospector | Image/StillImage | wsu_ucui_photo | |
| 790 | | Markos, Steve OH18_036 | 2017 | Text | wsu_webda_oh |
| 791 | | Marquardt, Susan OH19_100 | 2019 | Text; Image/StillImage; Image/MovingImage | wsu_bs_oh |
| 792 | | Martin, Alice OH11_008 | 2013 | Text | wsu_webda_oh |
| 793 | | Maruri, Ann OH16_009 | 2015 | Text | wsu_webda_oh |
| 794 |  | Maruri, Ann OH16_009 Video Clip | 2017 | Image/MovingImage | wsu_webda_oh |
| 795 |  | Masonic Temple_Commercial_Hodgson | 1920 | Image/StillImage | wsu_hod |
| 796 |  | Mayfield, Dick OH29_003, video clip | 2021 | Image/MovingImage; Image/StillImage; Text; Sound | wsu_ddo_oh |
| 797 |  | Mayfield, Rick OH29_003 | 2021 | Image/StillImage; Text | wsu_ddo_oh |
| 798 | | McCall, Vickie OH19_052 | 2019 | Text; Image/StillImage; Image/MovingImage | wsu_bs_oh |
| 799 | | McClellan, Sarah OH19_098 | 2019 | Text; Image/StillImage; Image/MovingImage | wsu_bs_oh |
| 800 |  | McClellan, Sarah, and Hazel Jones OH20_008 | 2023 | Image/StillImage; Text | wsu_webda_oh |