31. Puna wetlands Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Date: 2001 Format: Image
32. Alpacas grazing, La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Date: 2001 Format: Image
33. Descending into Rio Pampas Valley Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Pampas River Valley (Peru) Date: 2001 Format: Image
34. Descending into Rio Pampas Valley Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Pampas River Valley (Peru) Date: 2001 Format: Image
35. Descending from puna into valley Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Pampas River Valley (Peru) Date: 2001 Format: Image
36. Descending into Rio Pampas Valley Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Pampas River Valley (Peru) Date: 2001 Format: Image