The Philippine Port Authority (PPA) Port Management Office of Agusan (PMO-AGS) was formerly called Port Management Unit (PMU) Masao. Later, PMU-Masao was renamed PMO-Nasipit, which covered Baseport Nasipit, and two government ports: Terminal Management Offices (TMO) Butuan and Masao. HISTORY. The recorded history of Nasipit, which is a natural cove, can be traced to as early as 1880 when it…