| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 51 |
 |
Marteney candid photos, 1969 - shots 62, 63, 64, and 65 | 1969-03-05 | Image | pc_hsm |
| 52 |
 |
Mount Rushmore National Memorial, Site MORU001, National Park Service sound spectrograms | Image | uu_wss_spec | |
| 53 |
 |
Mount Rushmore National Memorial, Site MORU001, National Park Service sound spectrograms | Image | uu_wss_spec | |
| 54 |
 |
Mount Rushmore National Memorial, Site MORU004, National Park Service sound spectrograms | Image | uu_wss_spec | |
| 55 |
 |
Mount Rushmore National Memorial, Site MORU005, National Park Service sound spectrograms | Image | uu_wss_spec | |
| 56 |
 |
Oral history interview with Doug H. Campbell and Morris E. Johnson by Marsha Holland and Susan Cook | 2008-02-21 | Text; Sound | dha_uhsoh |