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. Rainy season Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1967 Format: Image
4. Chuschi from Chuschiqasa Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1967 Format: Image
5. Huarcaya Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Huarcaya (Peru) Date: 1967 Format: Image
6. Imbabura Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Imbabura (Ecuador) Date: 1981 Format: Image
7. Imbabura Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Imbabura (Ecuador) Date: 1981 Format: Image