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EXHI8IT D -Mining Plan (6,4.41 <br />(a) It is proposed that the method of mining will remain consistent throughout <br />Phases A, B,C, and D. This entails the removal of topsoil (where it exists) <br />and overburden, utilizing bulldozer and scrapers. Mining operations will <br />involve surtace extraction with front-end loaders and/or excavators. <br />(Note: The mining method within the existing 110 permit boundary will not <br />change from that approved in [M-92-054-AM-1, Exhibit C].) <br />(b) Topsoil (where it exists) and overburden will be sequentially removed from <br />each phase with scrapers, dozer and and/or motor-grader. Such material <br />will be placed in perimeter and staging berms as shown on Exhibit C. <br />(c) No water diversions are antidpated in the mining operation. Impoundment <br />and detention of stormwater are shown on Exhibit C. <br />(d) Each phase as shown on Exhibit C varies in acreage. It is the intent of the <br />operator to mine an area within each phase not to exceed twenty acres at <br />any given time. <br />(e) It is antidpated that this pit will be mined on a seasonal, as-necessary <br />basis. The operator/ landowner intends to mine in ten to twenty acre <br />increments. Dependent upon market demand and production rates, it is <br />expected that each ten to twenty acre area will be worked for a period of <br />12 to 36 months, including off-season shut downs. <br />(f) The information in this section is CONFIDENTIAL. <br />(i) Phases A,B,C and D consist of terrace deposits with varying depths of <br />topsoil and overburden. The average depth to gravel is assumed to be 4 <br />feet (i.e. 0 - .5' topsoil, 3 - 6' overburden). The average depth of gravel is <br />predicted to be 10'. <br />(g) Primary commodities to be produced include road base materials, <br />crushed stone and engineered fill materials. Uses for these materials <br />include roadway, gas well and general construction. Secondary products <br />include sand, pea gravel and uncrushed stone of various sizes. These <br />materials will be marketed for use in landscape and erosion control <br />appliptions. <br />(h) The only incidental product expected to be encountered in the mining <br />operation is crusher fines. Such material may be used in the production of <br />asphalt materials should that become feasible in the future. Other uses <br />include general construd9on and as a day soil amendment. <br />2 <br />