Oparaku LA. Comparing Gully Length and Average Gully Width Relationships on Two Geological Sediments of Varying Vulnerability to Erosion in the North Central Nigeria: A Recent Study. rastr-v1 [Internet]. 3Jun.2020 [cited 19Jun.2026];:89-00. Available from: https://stm1.bookpi.org/index.php/rastr-v1/article/view/1394