Bridge of AZ Rt. 70 in Pinal Mts.Location: near Superior, AZ Year: 2000 Merckslides catalogue number: 10(07)-17511 Comments: Seen during the College Park Scholars 2000 spring break tour of Arizona. |
Sinagua cliff dwellingLocation: Walnut Canyon National Monument, near Flagstaff, AZ Year: 2016 Merckdigitals catalogue number: 07-89309 Comments: |