South America, Colombia, Nevado del Ruiz, Cordillera Central
Publication Year: 1967.
Nevado del Ruiz, Cordillera Central. The Alaska Andean Expedition, David P. Johnston, Peter H. Robinson and I, traversed the Nevado del Ruiz icecap from north to south by way of the 17,180-foot summit on February 19 and two days later climbed it again with Nancy Child (now Robinson) of the Peace Corps.
Yin Hoeman