Figure 2. A 3D view of the Biu plateau (Abdullahi, Odihi and Wannah, 2015)

From

Geomorphic and Geologic Mechanisms Influencing the Occurrences and Hydrochemistry of Surface and Ground Waters of the Biu Plateau Region, North-east, Nigeria

Yakubu Mohammed, Ibrahim B. Wulo, A. K. Yusuf, Ashe K. Gazali

American Journal of Water Resources. 2020, 8(6), 256-263 doi:10.12691/ajwr-8-6-2