Figure 1. Index map of the Los Angeles basin and surrounding uplifts. Red dashed rectangle shows the area covered by the maps in this document (See Figure 2 for shaded relief map of area.). Northeastern Los Angeles basin (NELAB), Chino fault (CF), Elysian Park Anticline (EPA), Palos Verdes Hills (PVH), San Gabriel Valley (SGV), San Jacinto Valley (SJV), San Jose Hills (SJH), Santa Ana Mountain Boundary Fault (SAMBF).