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Fig. 3. Location map of the central Pajarito Plateau. Yellow shaded area is the Los Alamos National Laboratory. Also shown are the municipalities of Los Alamos and White Rock. East- and southeast-trending canyons are incised into the plateau. Water supply wells are shown as blue stars and the water supply well fields are indicated in blue shading; additional wells of Guaje well field extend north of this map. The Buckman well field provides water to Santa Fe. Water supply wells LA-1 through LA-6 are no longer used for municipal water production. New regional aquifer wells installed since 1998 are shown as red dots. Older test wells are shown as black dots. Line AA' shows location of cross section in Fig. 5. Main elements of the Pajarito fault zone are shown in blue. PFZ is the main trace of the Pajarito fault zone, RCF is the Rendija Canyon fault, GMF is the Guaje Mountain fault, and DDG is the Diamond Drive graben. Faults modified from Gardner et al. (2001) and Lewis et al. (2002).