Jakubec, J., L. Long, T. Nowicki, and D. Dyck. “Underground Geotechnical and Geological Investigation at the Ekati Mine - Koala North Case Study”. International Kimberlite Conference: Extended Abstracts 8 (June 22, 2003). Accessed May 6, 2021. https://ikcabstracts.com/index.php/ikc/article/view/3232.