Map Title: Santa Catarina Ixtahuacan, Sheet #: 1960 III, Intervals are 20m with intermediary intervals at 10m. Published by the Instituto Geografico Nacional. Includes the volcanoes Zunil
and Santo Tomas
and the mountains Montana Siete Cruces, Cerro Jolom, Cerro Chuicham, and Cerro Chonajtajuyub. The hot springs of Fuentes Georginas are also on this map.