MCCALLUM, M.E.; MABARAK, C.B.; COOPERSMITH, H.G. Diamonds from kimberlite in the Colorado-Wyoming State Line district. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 2, n. 1, p. 208–210, 1977. DOI: 10.29173/ikc993. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/993. Acesso em: 6 may. 2024.