Oahimire, D.M., Ukaegbu, V.U. and Ogbonna, J.F. 2021. Assessment of some baryte ores from Northern Cross-River, Nigeria, for oilfield drilling fluid supplement. Journal of Degraded and Mining Lands Management. 9, 1 (Oct. 2021), 3015–3026. DOI:https://doi.org/10.15243/jdmlm.2021.091.3015.