Map of Ilocos Norte. - Gloria Cunanan Maphouse (Makati, Metro Manila Gloria Cunanan Maphouse, 1989)
Insets: Ilocos Norte at a glance -- Town/city population (1989) and land area -- Population projection of Ilocos Norte (1980-2000)
Keywords: Ilocos Norte (Philippines) -- Maps; Ilocos Norte (Philippines) -- Population