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Title | Collection Number And Name | Photo Number |
| 251 |
 |
Buells Park, 12± north of Ft. Defiance, looking toward west rim. Hill of peridotite bearing gem peridots and garnets in center, 1908 (D. B. Sterrett photo USGS) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_020_232 |
| 252 |
 |
Buells Park, 12± north of Ft. Defiance, looking east across park from west rim, Baigaiche Mt. in near distance, 1908 (D. B. Sterrett photo USGS) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_021_233 |
| 253 |
 |
"Beautiful Valley." Fossil forest (Dolores strata), 12± mi. north of Ganado, Ariz. All pebbles in foreground are petrified wood, 1909 (photo G-28) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_022_234 |
| 254 |
 |
Beautiful Valley." Fossil forest (Dolores strata), 12± mi. north of Ganado, Ariz. All pebbles in foreground are petrified wood, 1909 (photo G-28) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_022_234 |
| 255 |
 |
"Beautiful Valley." Fossil forest, Dolores strata, petrified log, 1909 (photo G-29) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_022_235 |
| 256 |
 |
Beautiful Valley." Fossil forest, Dolores strata, petrified log, 1909 (photo G-29) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_022_235 |
| 257 |
 |
Beautiful Valley, fossil forest (Negative for photo G-29) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_022_235_neg |
| 258 |
 |
Beautiful Valley." Fossil forest, Dolores strata, petrified log, 1909 (photo G-30) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_023_236 |
| 259 |
 |
Beautiful Valley, Arizona (Negative for photo G-30) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_023_236_neg |
| 260 |
 |
"Beautiful Valley." Fossil forest, Dolores strata, 12± mi. north of Ganado, Ariz., 1909 (photo G-31) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_023_237 |
| 261 |
 |
Beautiful Valley, fossil forest (Negative for photo G-31) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_023_237_neg |
| 262 |
 |
Beautiful Valley." Fossil forest (Dolores strata), 12± mi. north of Ganado, Ariz. Pebbles in foreground are chips of petrified wood, 1909 (photo G-32) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_024_238 |
| 263 |
 |
Top of plateau between St. Michaels and Ganado, Ariz. Trees are yellow pines, 1909 (photo G-33) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_024_239 |
| 264 |
 |
Top of plateau between St. Michaels and Ganado, Ariz. Trees are yellow pines, 1909 (photo G-33) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_024_239 |
| 265 |
 |
Typical vegetation, elevation 5000-5500 feet, between St. Michaels and Ganado, Ariz., 1909 (photo G-34) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_025_240 |
| 266 |
 |
Typical vegetation, elevation 5000-5500 feet, between St. Michaels and Ganado, Ariz., 1909 (photo G-34) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_025_240 |
| 267 |
 |
"Round Top," Ganado, Ariz. Tertiary on Dolores (Triassic), 1909 (photo G-36) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_025_241 |
| 268 |
 |
Round Top," Ganado, Ariz. Tertiary on Dolores (Triassic), 1909 (photo G-36) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_025_241 |
| 269 |
 |
Round Top, Ganado, Ariz. (Negative for photo G-36) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_025_241_neg |
| 270 |
 |
Round Top," Ganado, Ariz. Tertiary on Dolores (Triassic), 1909. Pueblo, Colorado wash in foreground (photo G-35) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_025_242 |
| 271 |
 |
3± mi. north of Ganado, Ariz. Tertiary in angular unconformity with Dolores (Triassic), 1909 (photo G-37) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_026_243 |
| 272 |
 |
Ganado, Ariz. (Negative for photo G-37) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_026_243_neg |
| 273 |
 |
Hand drill at work, upper Chinlee Valley, 1909 (photo G-39) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_026_244 |
| 274 |
 |
Hand drill, Chinlee Valley (Negative for photo G-39) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_026_244_neg |
| 275 |
 |
Pueblo Colorado Wash, Ganado, Arizonal, Dolores strata, 1909 (photo G-38) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_026_245 |
