Brookins, D.G., Majumdar, A. (1983). Whole-rock Rb-Sr age of the Juan Tabo Series, Sandia Moun tains, New Mexic. Isochron/West Bulletin of Isotopic Geochronology, vol. 38, p. 21-22. Edited by: Schilling, John H. Keywords: Sandia Mountains, Albuquerque, central NM Bernallilo, Valencia