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Title | Collection Number And Name | Photo Number |
| 226 |
 |
Volcanic conglomerate forming part of Black Rock; igneous mass, Ft. Defiance, Ariz., 1909 (photo G-16) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_014_218 |
| 227 |
 |
Volcanic conglomerate, Ariz. (negative for photo G-16) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_014_218_neg |
| 228 |
 |
Hunter's Point, Black Creek Valley, Ariz. Monocline in Moencopie (Permian?) and Shinarump (Triassic?) beds, 1909 (G-17) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_014_219 |
| 229 |
 |
Hunter's Point, Black Creek Valley, Ariz. Eroded edges of sandstone forming monocline, 1909 (photo G-18) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_015_220 |
| 230 |
 |
Hunter's Point, Black Creek Valley, Ariz. (negative for photo G-18) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_015_220_neg |
| 231 |
 |
Hunter's Point (J.H. Gardner, photo) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_015_221 |
| 232 |
 |
Monocline, Oak Springs, Black Creek Valley, Ariz., Moencopie (Permian?) capped by Shinarump (Triassic), 1909 (Photo G-19) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_015_222 |
| 233 |
 |
Monocline, Oak Springs, Black Creek Valley, Ariz., Moencopie (Permian?) capped by Shinarump (Triassic), 1909 (Photo G-19) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_015_222 |
| 234 |
 |
Zilh-Tusayan, igneous mass, 20± mi. northwest of Fort Defiance, Arizona, 1909 (photo G-20) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_016_223 |
| 235 |
 |
Zilh-Tusayan, igneous mass, 20± mi. northwest of Fort Defiance, Arizona, 1909 (photo G-20) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_016_223 |
| 236 |
 |
NW Ft. Defiance, Ariz., 1909 (negative for photo G-20) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_016_223_neg |
| 237 |
 |
Columns, Zilh-Tusayan, igneous mass, 20± mil. northwest of Fort Defiance, Ariz., 1909 (photo G-21) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_016_224 |
| 238 |
 |
Top of plateau near Sawmill, 16± mi. northwest of Fort Defiance, Ariz. Trees are yellow pines and scrup oaks, 1909 (photo G-22) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_017_225 |
| 239 |
 |
Top of plateau near Sawmill, 16± mi. northwest of Fort Defiance, Ariz. Trees are yellow pines and scrup oaks, 1909 (photo G-22) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_017_225 |
| 240 |
 |
NW Ft. Defiance Ariz., 1909 (negative for photo G-22) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_017_225_neg |
| 241 |
 |
Buells Park, 12± mi. north of Ft. Defiance, Ariz., looking east across park toward Baigaiche Mt., 1909 (photo G-23) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_017_226 |
| 242 |
 |
Buells Park, 12± mi. north of Ft. Defiance, Ariz. Looking west from outlet of stream, 1909 (photo G-24) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_018_227 |
| 243 |
 |
Buells Park, N. Ft. Defiance (negative for photo G-24) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_018_227_neg |
| 244 |
 |
Buells Park, 12± mi. north of Ft. Defiance, Ariz. Looking southwest from eastern rim, 1909 (photo G-25) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_018_228 |
| 245 |
 |
Buells Park, 12± mi. north of Ft. Defiance, Ariz. Looking southwest from eastern rim, 1909 (photo G-25) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_018_228 |
| 246 |
 |
Buells Park, 12± mi. north of Ft. Defiance, Ariz. Canyon at outlet, 1909 (photo G-26) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_019_229 |
| 247 |
 |
Buells Park, 12± mi. north of Ft. Defiance, Ariz. Canyon at outlet, 1909 (photo G-26) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_019_229 |
| 248 |
 |
Buells Park, 12± mi. north of Ft. Defiance. Dam site at outlet. Rock is Moencopie (Permian?) sandstone, capped by Shinarump (Triassic) sandstone and conglomerate, 1909 (photo G-27) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_019_230 |
| 249 |
 |
Buells Park, N. Ft. Defiance (negative for photo G-27) | P0013 Herbert E. Gregory Photograph Collection | P0013n02_019_230_neg |
| 250 |
 |
Buells Park, north of Fort Defiance, D. B. Sterrett photo USGS, 1908 | P0013 Herbert E. Gregory Photograph Collection | P0013n02_019b_231 |
