1. Huarcaya Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Huarcaya (Peru) Date: 1967 Format: Image
2. Near Guayaquil Collection: Billie Jean Isbell Andean Collection Location: Ecuador Date: 1981 Format: Image
3. Near Guayaquil Collection: Billie Jean Isbell Andean Collection Location: Ecuador Date: 1981 Format: Image
4. Snow-capped Southern Andes Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Overviews Location: Peru Andes Date: 1981 Format: Image
5. Southern Andes from the air Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Date: 1981 Format: Image
6. Lake Titicaca from the air Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Titicaca Lake (Peru and Bolivia) Lake Titicaca Date: 1981 Format: Image
7. Copacabana del Collao Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Copacabana (Manco Kapac, Bolivia) Titicaca Lake Region (Peru and Bolivia) Date: 1992 Format: Image
8. Navigating on Lake Titicaca Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Titicaca Lake (Peru and Bolivia) Lake Titicaca Date: 1992 Format: Image
9. Alpacas grazing, hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Chuschi (Peru) Date: 2001 Format: Image
10. Billie Jean Isbell in bofedal, dry season Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Chuschi (Peru) Date: 2001 Format: Image
11. Alpacas grazing, La Unión Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Date: 2001 Format: Image
12. Bofedal or puna wetland Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Puna Location: Chuschi (Peru) Date: 2001 Format: Image
