Johnston County topographic map

The province's average elevation is less than 900 meters above sea level and extends some 50 to 100 kilometers inland from the ocean. The coastal plain is normally wet, including many rivers, marsh, and swampland. It is composed primarily of sedimentary rock and unlithified sediments and is primarily used for…

Average elevation: 51 m

Average elevation: 840 m

Average elevation: 126 m

Average elevation: 87 m

Average elevation: 289 m

Average elevation: 64 m

Average elevation: 93 m

Average elevation: 203 m

Average elevation: 93 m

Average elevation: 360 m

Average elevation: 676 m

Average elevation: 919 m

Average elevation: 101 m

Average elevation: 22 m

Average elevation: 611 m

Average elevation: 997 m

Average elevation: 103 m

Average elevation: 98 m

Average elevation: 277 m

Average elevation: 142 m

Average elevation: 264 m

Average elevation: 800 m

Average elevation: 4 m

Average elevation: 2 m

Average elevation: 327 m

Average elevation: 144 m

Average elevation: 21 m

Average elevation: 875 m

Average elevation: 289 m

Average elevation: 66 m