2024. Geophysical and Geotechnical Investigations of the Subsurface for Construction Purposes at Federal College of Education Osiele, Abeokuta, Southwestern Nigeria. Nigerian Journal of Theoretical and Environmental Physics. 1, 1 (Feb. 2024), 9–21. DOI:https://doi.org/10.62292/njtep.v1i1.2023.12.