Grand Canyon NPS:
12002 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
09613 Grand Canyon Powell Memorial
Grand Canyon NPS:
09606 Grand Canyon Powell Memorial 1918
Grand Canyon NPS:
08976 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
08966 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
03393 Grand Canyon Powell Diorama
Grand Canyon NPS:
17266 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17264 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17265 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17263 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17262 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17254 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17257 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17253 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17249 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17248 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17247 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17244 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17243 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17241 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17239 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17238 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17236 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17234 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17233 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17232 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17231 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17230 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17229 Grand Canyon Powell Expedition 1873
Grand Canyon NPS:
17228 Grand Canyon Powell Expedition 1873
