| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 326 |
 |
Coal Mining P.37 | 1907 | Image | dha_cp |
| 327 |
 |
Coal Mining P.38 | 1919 | Image | dha_cp |
| 328 |
 |
Coal Mining P.39 | Image | dha_cp | |
| 329 |
 |
Coal Mining P.4 | Image | dha_cp | |
| 330 |
 |
Coal Mining P.5 | 1941 | Image | dha_cp |
| 331 |
 |
Coal Mining P.6 | Image | dha_cp | |
| 332 |
 |
Coal Mining P.7 | Image | dha_cp | |
| 333 |
 |
Coal Mining P.8 | 1941 | Image | dha_cp |
| 334 |
 |
Coal Mining P.9 | Image | dha_cp | |
| 335 |
 |
Colonel William M. Ferry | Image | dha_cp | |
| 336 |
 |
Colorow Gilsonite Mine | Image | ucl_tp | |
| 337 |
 |
Columbia P.1 | Image | dha_cp | |
| 338 |
 |
Columbia P.10 | Image | dha_cp | |
| 339 |
 |
Columbia P.11 | Image | dha_cp | |
| 340 |
 |
Columbia P.12 | Image | dha_cp | |
| 341 |
 |
Columbia P.13 | Image | dha_cp | |
| 342 |
 |
Columbia P.14 | Image | dha_cp | |
| 343 |
 |
Columbia P.15 | Image | dha_cp | |
| 344 |
 |
Columbia P.2 | Image | dha_cp | |
| 345 |
 |
Columbia P.3 | Image | dha_cp | |
| 346 |
 |
Columbia P.4 | Image | dha_cp | |
| 347 |
 |
Columbia P.5 | Image | dha_cp | |
| 348 |
 |
Columbia P.6 | Image | dha_cp | |
| 349 |
 |
Columbia P.7 | Image | dha_cp | |
| 350 |
 |
Columbia P.8 | Image | dha_cp |