1. Hillside agriculture, Mantaro Valley near Pampas Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Pampas River Valley (Peru) Date: 1967 Format: Image
2. Rio Pampas Saqsamarca Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Peru Pampas River Valley (Peru) Saqsamarca (Peru)Saxamarca (Peru) Date: 1981 Format: Image
3. Rio Pampas Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Pampas River Valley (Peru) Date: 1996 Format: Image
4. Rio Pampas, Chuschi Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Chuschi (Peru) Pampas River Valley (Peru) Date: 1996 Format: Image
5. Rio Pampas Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Pampas River Valley (Peru) Date: 1996 Format: Image
6. 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
7. 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
8. 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
9. 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
10. Rio Pampas Valley approaching Chuschi Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Chuschi (Peru) Pampas River Valley (Peru) Date: 2002 Format: Image