Aigba PI, Amos-Uhegbu C, Ugwu JU, Eze MO, Chukwu DC. Application of Electrical Resistivity Tomography in Mapping the Lateral Extent of Ohia Kaolin Deposit in Umuahia Southeastern Nigeria. NJP. 2025;34(4):60-70. doi:10.62292/10.62292/njp.v34i4.2025.431