“…Hydrogeologic investigations in the study area include studies of the San Andres-Glorieta aquifer (Summers and Kottlowski, 1969;and Baldwin and Anderholm, 1992); Jemez River and northwestern Albuquerque Basin (Craigg, 1992); Colorado Plateau and San Juan Basin (Risser and Lyford, 1983;Stone et al, 1983;Craigg et al, 1989 and1990;Kernodle et al, 1989Kernodle et al, , 1990Dam et al, 1990a, b;Levings et al, 1990a, b;and Thorn et al, 1990a, b); and the MRGB (Titus, 1963;Hawley et al, 1995;Thorn et al, 1993;McAda and Barroll, 2002;Sanford et al, 2004;. Hydrogeologic characteristics of the stratigraphy exposed along the northern flank of the Sandia Mountains were also examined in detail by Johnson et al (2002).…”