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• <br />• <br /> <br />PROJECT: FLOW FROM GLOBE HILL MINE TO SCHIST ISLAND MINE <br />AUTHOR: Adrian Brown, P.E. <br />DATE: 9/5/2008 <br />PAGE: 1 OF 4 <br />EVALUATION OF INFLOW TO SCHIST ISLAND MINE FROM GLOBE HILL MINE <br />CONCEPT <br />1. Heavy precipitation occurs on entire area <br />2. Rain is sufficiently heavy to saturate previously unsaturated diatremal rock near surface <br />3. Globe Hill mine partially fills with water collected from its catchment area <br />4. Water seeps laterally towards Schist Island Mine through previously unsaturated rock <br />5. Water also moves vertically downward in diatreme towards the regional ground water table that <br />is intersected by Carlton Tunnel <br />6. Water could reach Schist Island Mine from Globe Hill Mine if lateral flow exceeds vertical loss <br /> Schist Globe <br /> Island Hill <br /> Mine Mine <br />10000 Horizontal Flow <br /> from GH > SI <br /> Schist Island <br /> Backfill <br />9500 Vertical Flow to Drained Diatreme <br /> <br />9000 <br />1000 1500 2000 2500 3000 3500 <br />Adrian Brown Consultants, Inc., 130 West Fourth Avenue, Denver, Colorado 303-698-9080