1. Students among ruins Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Titicaca Lake (Peru and Bolivia) Inkallajta Site (Bolivia) Inkallacta Site (Bolivia) Incallacta Site (Bolivia) Inkallaqta Site (Bolivia)Incallaqta Site (Bolivia) Date: 1992 Format: Image
2. Cornell students on top of astronomical wall Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Titicaca Lake (Peru and Bolivia) Inkallajta Site (Bolivia) Inkallacta Site (Bolivia) Incallacta Site (Bolivia) Inkallaqta Site (Bolivia)Incallaqta Site (Bolivia) Date: 1993 Format: Image
3. Cornell students on astronomical wall Collection: Billie Jean Isbell Andean Collection Set: Zenith sun series Location: Titicaca Lake (Peru and Bolivia) Inkallajta Site (Bolivia) Inkallacta Site (Bolivia) Incallacta Site (Bolivia) Inkallaqta Site (Bolivia)Incallaqta Site (Bolivia) Date: 1993 Format: Image
4. Cornell Raised Fields Project Collection: Billie Jean Isbell Andean Collection Location: Titicaca Lake Region (Peru and Bolivia) Bolivian altiplano Date: 1994 Format: Image
