El Misti, slightly active volcano (19,031 feet)

• WOK 8-41
• Item
• 1958

Part of W.O. Kupsch fonds

El Misti, slightly active volcano (19,031 feet)

• WOK 8-42
• Item
• 1958

Part of W.O. Kupsch fonds

Nevado de Chachani, extinct volcanoes, Arequipa

• WOK 8-43
• Item
• 1958

Part of W.O. Kupsch fonds

Volcanic tuff used as building stone. Hotel Turista, Arequipa

• WOK 8-44
• Item
• 1958

Part of W.O. Kupsch fonds

Nevado Ampato extinct volcanoes

• WOK 8-45
• Item
• 1958

Part of W.O. Kupsch fonds

Aerial view of dissected volcanic area

• WOK 8-46
• Item
• 1958

Part of W.O. Kupsch fonds

Aerial view of dissected volcanic area

• WOK 8-46
• Item
• 1958

Part of W.O. Kupsch fonds

Aerial view of volcanic area, Nudo Coropuna in background

• WOK 8-47
• Item
• 1958

Part of W.O. Kupsch fonds

Aerial view of braided stream

• WOK 8-48
• Item
• 1958

Part of W.O. Kupsch fonds

Aerial view of angular unconformity

• WOK 8-49
• Item
• 1958

Part of W.O. Kupsch fonds

Gully at Campamento Pirin - Cretaceous Ayavacas limestone thrust over Tertiary red Puno beds

• WOK 8-5
• Item
• 1958

Part of W.O. Kupsch fonds

Broad valley in part occupied by braided stream

• WOK 8-50
• Item
• 1958

Part of W.O. Kupsch fonds

Aerial view of barchans and other more complex dunes

• WOK 8-51
• Item
• 1958

Part of W.O. Kupsch fonds

Longitudinal rows of complex barchan-type dunes

• WOK 8-52
• Item
• 1958

Part of W.O. Kupsch fonds

Large alluvial fan with braided surface

• WOK 8-53
• Item
• 1958

Part of W.O. Kupsch fonds