1. V.C. Kelly, New Mex, Geol. Soc. Guidebook, 7th Field Conf., 109, 1956.
2. C. E. Chapin, New Mex. Geol. Soc. Guidebook, 22nd Field Conf., 191, 1971.
3. L. Cordell, New Mex. Geol. Soc. Spec. Publ., 6, 62, 1976.
4. C.E. Chapin and W. Seager, New Mex. Geolc Soc. Guidebook, 26th Field Conf., 297, 1975.
5. R.W. Decker. Referenced in: Solid Earth Geosciences Research Activities at LASL, July 1- Dec. 31, 1974, ed. by T.R. McGetchin, Los Alamos Scien. Lab. Progr. Rep. LA-5956- PR, 1975.