1. Rumicucho Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Pucara de Rumicucho Site (Ecuador) Format: Image
2. Dry season Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Chuschi (Peru) Date: 1967 Format: Image
3. 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
4. Rainy season Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1967 Format: Image
5. Chuschi from Chuschiqasa Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1967 Format: Image
6. Huarcaya Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Huarcaya (Peru) Date: 1967 Format: Image
7. Street scene Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1967 Format: Image
8. House Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1975 Format: Image
9. Imbabura Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Imbabura (Ecuador) Date: 1981 Format: Image
10. Hillside agriculture, Imbabura Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Imbabura (Ecuador) Date: 1981 Format: Image
11. Hillside agriculture, Imbabura Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Imbabura (Ecuador) Date: 1981 Format: Image
12. Imbabura Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Imbabura (Ecuador) Date: 1981 Format: Image
13. Quito from Pichincha Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Quito (Ecuador) Date: 1981 Format: Image
14. Lake near Otovalo, with alpaca Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Otavalo (Ecuador) Otovalo (Ecuador) Date: 1989 Format: Image
15. Otovalo alpaca Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Otavalo (Ecuador) Otovalo (Ecuador) Date: 1989 Format: Image
16. Chuschi Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Chuschi (Peru) Date: 1996 Format: Image
17. Rio Pampas Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Pampas River Valley (Peru) Date: 1996 Format: Image
18. 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
19. Llamas Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
20. Chuschi Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Chuschi (Peru) Date: 1996 Format: Image
21. Chuschi Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
22. Chuschi Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
23. Cancha Cancha Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
24. Rio Pampas Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Pampas River Valley (Peru) Date: 1996 Format: Image
25. Chuschi Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
26. Hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
27. Hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
28. Hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
29. Hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
30. Hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
31. Hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
32. Hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
33. Hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image
34. 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
35. 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
36. 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
37. 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