LEGEND SG EF Granodiorite Altered tuff Vein on surface bail Drift covered Rock cut SCALE OF FEET 100 200 3900 Contour interval 50 feet LEGEND Ee et NNN Granodiorite Biotite aplite Altered tuff Vein SCALE OF FEET fo} 100 / 200 HLYON “OVW Adit Elev. 2000° x Geological Survey, Canada. Figure 6. Plan of part of Erie group and underground workings at Mohawk mine.