| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 51 |
 |
Consolidated Copper Mines Co., Pano A of Pit for Geological Work | 1929-10-06 | Image/StillImage | dha_scnpp |
| 52 |
 |
Consolidated Copper Mines Co., Pano B of Emma Shaft GroundsAnd Bldgs | 1929-10-06 | Image/StillImage | dha_scnpp |
| 53 |
 |
Consolidated Copper Mines Co., Pano B of Island in Bottom of Pit | 1929-10-06 | Image/StillImage | dha_scnpp |
| 54 |
 |
Laser Institute Lab | Image | ehsl_hhs | |
| 55 |
 |
PIN SET, POWDER, COPPER, AND COAL IN MINING CARS | 1997; 1998; 1999; 2000; 2001; 2002 | Image | dha_olyleg |
| 56 |
 |
T.R. Ellerbeck | 1937-05-17 | Image/StillImage | dha_scnpp |
| 57 |
 |
Union Pacific RR Shop Copper Bullion | 1948-10-28 | Image/StillImage | dha_sltnc |
| 58 |
 |
Union Pacific RR Shop Copper Bullion | 1948-10-28 | Image/StillImage | dha_sltnc |
| 59 |
 |
Union Pacific RR Shop Copper Bullion | 1948-10-28 | Image/StillImage | dha_sltnc |
| 60 |
 |
Union Pacific RR Shop Copper Bullion | 1948-10-28 | Image/StillImage | dha_sltnc |