TY  - GEN
T1  - Province of Zamboanga del Norte
LA  - English
PP  - Makati, Metro Manila
PB  - National Mapping and Resource Information Authority
YR  - 1991
ED  - Ed. November, 1991.
UL  - https://tuklas.up.edu.ph/Record/UP-99796217606010098
NO  - Clarke spheroid 1866 Luzon datum.
NO  - Elevations in meters above mean sea level.
NO  - Inset: Location diagram.
NO  - Includes: General information.
KW  - Zamboanga del Norte : Maps.
ER  -