- ArchiefMG 146 - W.O. Kupsch fonds
- ReeksJ. Audio-Visual Materials
- 1013 more...
- StukWOK 8-42 - El Misti, slightly active volcano (19,031 feet)
- StukWOK 8-43 - Nevado de Chachani, extinct volcanoes, Arequipa
- StukWOK 8-44 - Volcanic tuff used as building stone. Hotel Turista, Arequipa
- StukWOK 8-45 - Nevado Ampato extinct volcanoes
- StukWOK 8-46 - Aerial view of dissected volcanic area
- StukWOK 8-46 - Aerial view of dissected volcanic area
- StukWOK 8-47 - Aerial view of volcanic area, Nudo Coropuna in background
- StukWOK 8-48 - Aerial view of braided stream
- StukWOK 8-49 - Aerial view of angular unconformity
- 1283 more...