Merrill, R.B., M.E. Bickford, and A.J. Irving. “The Hills Pond Peridotite, Woodson County, Kansas: A Richterite-Bearing Cretaceous Intrusive With Kimberlitic Affinities”. International Kimberlite Conference: Extended Abstracts 2, no. 1 (September 12, 1977): 220–222. Accessed October 31, 2024. https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/999.