| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 26 |
 | Castle Valley Coal Company, Tram at Top | 1911-02-22 | Image | dha_scp |
| 27 |
 | Clarence King | Image | dha_cp | |
| 28 |
 | Clear Creek, Utah-Life and Customs p.1 | Image | dha_cp | |
| 29 |
 | Clear Creek, Utah-Mining p.1 | Image | dha_cp | |
| 30 |
 | Consolidated Fuel Company, North 1 Mine | 1910-08-07 | Image | dha_scp |
| 31 |
 | Consumers, Utah p.1 | 1963-03 | Image | dha_cp |
| 32 |
 | Edgar L Newhouse | Image | dha_cp | |
| 33 |
 | Eli B. Kelsey | Image | dha_cp | |
| 34 |
 | Farmington Gold and Copper Company | 1904 | Image | dha_scp |
| 35 |
 | Farmington Gold and Copper Mining Company | 1904 | Image | dha_scp |
| 36 |
 | George H. Watson | 1944-06-06 | Image | dha_cp |
| 37 |
 | George H. Watson | Image | dha_cp | |
| 38 |
 | George H. Watson | Image | dha_cp | |
| 39 |
 | George H. Watson | Image | dha_cp | |
| 40 |
 | George H. Watson | Image | dha_cp | |
| 41 |
 | George H. Watson | Image | dha_cp | |
| 42 |
 | George H. Watson | Image | dha_cp | |
| 43 |
 | George H. Watson | Image | dha_cp | |
| 44 |
 | George H. Watson | Image | dha_cp | |
| 45 |
 | George H. Watson | Image | dha_cp | |
| 46 |
 | George H. Watson | Image | dha_cp | |
| 47 |
 | George H. Watson | Image | dha_cp | |
| 48 |
 | George H. Watson | Image | dha_cp | |
| 49 |
 | George H.Watson | Image | dha_cp | |
| 50 |
 | Hercules Powder Company Powder Car | 1920-07-16 | Image | dha_scp |