Basilan topographic maps

The elevation of Isabela to 4th-class city status gave the local government a much-needed boost, efficiently delivered under the Biel administration, revitalized Isabela City, making it an engine of growth for Basilan province even as the hinterlands was wracked by incessant firefights and gun-battles between…

Average elevation: 93 m

Average elevation: 13 m

Average elevation: 15 m

Average elevation: 52 m

Average elevation: 50 m

Average elevation: 16 m

Average elevation: 10 m

Average elevation: 4 m