Figure 7. Primary and alternate drill sites (PCM-xA) along the crest of Pual Ridge. Active hydrothermal areas containing sulfide chimneys are identified. Proposed Site PCM-4A lies at the foot of the southeastern flank of Pual Ridge. Alternate Site PCM-5A is ~600 m northeast of primary Site PCM-1A, in a flat area farther from hydrothermal discharge.