Sample Points Marked in Blue Letters

1. Sample Points Marked in Blue Letters A – Mill Feed X-Ray Sample B – Pb Tail X-Ray Sample C – Bulk Con X-Ray Sample D – Final Tail X-Ray Sample E – Zn Con X-Ray Sample F – Pb Con X-Ray Sample G – Cu Con X-Ray Sample

2. Brushy Creek Crushing Circuit Ore from Underground Reclaim Ore Oversize Ore Through Crusher Screen Vibratory Feeder Secondary Crusher Fine Ore (minus 5/8”) Fine Ore (minus 5/8”) To Rod Mill Fines Chute Rod Mill

3. Grinding Brushy Creek Grinding Circuit Secondary Crusher Xanthate Zinc Sulfate Cyanide Rod Mill Rod Mill Feed Belt Water Scale R.M. Solids Ball Mill 5 Overflow to Lead Roughers Discharge 4 Cyclones Density Meter Underflow to Ball Mill Water A Cyclone Feed Sump Controls Lead Roughers Feed Upper Discharge to Cyclones Cyclone Feed Pump

4. Pb Brushy Creek Lead Circuit A Xanthate – Rod Mill Feed Cyclone O.F. B A Zinc Sulfate – Rod Mill Feed A B C C Cyanide – Rod Mill Feed Roughers D MIBC – Head of Roughers D E Feed Cyanide – 1st. Cleaner * Upper Tail Lower * As Needed B Froth to 1st. Clnr. Rougher Tail to Zinc Cond. 2nd. (Final) Cleaner 1st. Cleaner E Feed Tail Feed 2 Zinc Conditioner Tail 1 Tail Froth (Bulk Conc.) To Cu Absorber Froth to 2nd. Clnr. Tail back to Rougher C Copper Absorber

5. Zn Brushy Creek Zinc Circuit Lead Rougher Tail B A B C D A Copper Sulfate – Lead Tail Pump Box B MIBC – Lead Tail Pump Box Zinc Conditioner C Aerofloat – Lead Tail Pump Box * D Xanthate – Lead Tail Pump Box * Feed E Lime – 1st. Cleaner Feed * Roughers F Cyanide – 2nd. Cleaner Feed G Starch – 3rd. Cleaner Feed Upper Tail * As Needed Lower D Tailings Pump Froth to 1st. Clnr. Final Tail to Tailings Pump 3rd. (Final) Cleaner F 2nd. Cleaner G Feed E Tail 1st. Cleaner Feed 3 Tail Feed 2 Tail 1 Tail Tail Froth (Final Conc.) To Zinc Thickener Froth to 3rd. Clnr. E Froth to 2nd. Clnr. Zinc Thickener Tail back to Zinc Cond.

6. Cu Brushy Creek Copper Circuit C Lead 2nd. Cleaner Froth (Bulk Conc.) A B A Starch – Bulk Conc. Pump Box B Bichromate – Bulk Conc. Pump Box C C Copper Absorber SO2 - Absorber Feed D MIBC – Rghr. Feed Pump Box E Starch – 1st. Clnr. Launder * Roughers F Bichromate – 3rd. Clnr. Launder Feed * As Needed Tail Tail back to Rghr. Froth to Cleaners Tail (Pb Conc.) To Pb Thickener D Cleaners ( 4 Stages) Feed Tail 1 2 3 F 4 E F Tail Tail Tail Froth feeds next Stage Froth (Final Conc.) to Copper Thickener G Lead Thickener Copper Thickener

7. Filtering Brushy Creek Filtering Section A Flocculant - Thickeners B Aerodri – Filters Lead Thickener Copper Thickener A Zinc Thickener A Underflow Pump Underflow Pump Underflow Pump B Y Valve Disc Filter B If Needed Disc Filter Collector Belt Collector Belt Scale Transfer Belt Scale Transfer Belt Load Out Area Zinc/Copper Concentrate Storage Area Lead Concentrate Storage Area