| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 326 |
 |
China Wall Gilsonite Mine | 1918 | Image | ucl_tp |
| 327 |
 |
Chloe Vaughn, Esther Campbell, and Hugh Colton Presentation about Smelter Ranch, Bromide Mine, and Brown's Park [Transcript] | 1982-10-19 | Text | dha_uhsoh |
| 328 |
 |
Clarence King | Image | dha_cp | |
| 329 |
 |
Coal Mining P.1 | Image | dha_cp | |
| 330 |
 |
Coal Mining P.10 | Image | dha_cp | |
| 331 |
 |
Coal Mining P.11 | Image | dha_cp | |
| 332 |
 |
Coal Mining P.12 | Image | dha_cp | |
| 333 |
 |
Coal Mining P.13 | Image | dha_cp | |
| 334 |
 |
Coal Mining P.14 | Image | dha_cp | |
| 335 |
 |
Coal Mining P.15 | Image | dha_cp | |
| 336 |
 |
Coal Mining P.16 | Image | dha_cp | |
| 337 |
 |
Coal Mining P.17 | Image | dha_cp | |
| 338 |
 |
Coal Mining P.18 | Image | dha_cp | |
| 339 |
 |
Coal Mining P.19 | Image | dha_cp | |
| 340 |
 |
Coal Mining P.2 | Image | dha_cp | |
| 341 |
 |
Coal Mining P.20 | Image | dha_cp | |
| 342 |
 |
Coal Mining P.21 | Image | dha_cp | |
| 343 |
 |
Coal Mining P.22 | 1886 | Image | dha_cp |
| 344 |
 |
Coal Mining P.23 | Image | dha_cp | |
| 345 |
 |
Coal Mining P.24 | Image | dha_cp | |
| 346 |
 |
Coal Mining P.25 | Image | dha_cp | |
| 347 |
 |
Coal Mining P.26 | Image | dha_cp | |
| 348 |
 |
Coal Mining P.27 | 1950-06-20 | Image | dha_cp |
| 349 |
 |
Coal Mining P.29 | Image | dha_cp | |
| 350 |
 |
Coal Mining P.3 | Image | dha_cp |