Broad valley in part occupied by braided stream
Broad valley in part occupied by braided stream
Gully at Campamento Pirin - Cretaceous Ayavacas limestone thrust over Tertiary red Puno beds
Gully at Campamento Pirin - Cretaceous Ayavacas limestone thrust over Tertiary red Puno beds
Aerial view of angular unconformity
Aerial view of angular unconformity
Aerial view of braided stream
Aerial view of braided stream
Aerial view of volcanic area, Nudo Coropuna in background
Aerial view of volcanic area, Nudo Coropuna in background
Aerial view of dissected volcanic area
Aerial view of dissected volcanic area
Aerial view of dissected volcanic area
Aerial view of dissected volcanic area
Nevado Ampato extinct volcanoes
Nevado Ampato extinct volcanoes
Volcanic tuff used as building stone. Hotel Turista, Arequipa
Volcanic tuff used as building stone. Hotel Turista, Arequipa
Nevado de Chachani, extinct volcanoes, Arequipa
Nevado de Chachani, extinct volcanoes, Arequipa
El Misti, slightly active volcano (19,031 feet)
El Misti, slightly active volcano (19,031 feet)
El Misti, slightly active volcano (19,031 feet)
El Misti, slightly active volcano (19,031 feet)
Repairing earthquake damage on main square, Arequipa
Repairing earthquake damage on main square, Arequipa
Old oil well at Pirin, production from 250 feet in Cretaceous limestone
Old oil well at Pirin, production from 250 feet in Cretaceous limestone
Active volcano Ubinas with ash covered foreground
Active volcano Ubinas with ash covered foreground
