1. Dry season Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Chuschi (Peru) Date: 1967 Format: Image
2. Rainy season Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1967 Format: Image
3. Street scene Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1967 Format: Image
4. Quito from Pichincha Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Quito (Ecuador) Date: 1981 Format: Image
5. Chuschi Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Location: Chuschi (Peru) Date: 1996 Format: Image
6. 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