Harder, M., T.E. Nowicki, C.M. Hetman, L. Freeman, and B. Abedu. “Geology and Evaluation of the K2 Kimberlite, Koidu Mine, Sierra Leone, West Africa”. International Kimberlite Conference: Extended Abstracts 10 (February 6, 2012). Accessed April 30, 2024. https://ikcabstracts.com/index.php/ikc/article/view/3763.