March 1914 Issue [Article] Matutum, the mountain of mystery Adjust Share by Elvin Ralph Heiberg, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Description and travel Matutum, Mount Matutum, Mount (Philippines) Mindanao Island Mindanao Island (Philippines) Mountaineering Muslims Philippines Social life and customs More from Elvin Ralph Heiberg Adjust Share