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• <br />Mining Plan <br />~, • III IIIIIIIIIIIIIIII <br />EXHIBIT D <br />The mining plan for the Gardner Pit has historically been to <br />bulldoze gravel from north to south where front loaders are used <br />to load tricks. Intermittent screening and crushing operations are <br />employed. <br />This gravel pit is located on a durable ridge of metamorphic rock, <br />primarily gneiss and schist. The rocks are massive with thin, fully <br />filled fractures throughout and is very stable. The thickness of the <br />rock is unknown and use is exclusively for construction. <br />At the present rate of about 50,000 yd3 mined per year, the upper <br />section of the mine (9.7 acres) would last a minimum of IS years. <br />The steep upper slope can be benched for effective mining and also be <br />consistent with the reclamation plan. <br />The lower part, an area of about 4 acres can be mined effectively <br />eliminating the steep lower embankment and leaving no sections steeper <br />than 3 to 1 slope. This area would last 10 to i2 years at present <br />mining rates. <br /> <br />