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52.05 APPLICATION FOR PERMIT FOR SURFACE OR UNDERGROUND MINING ACTIVITIES -- <br />MINIMUM REQUIREMENTS FOR OPERATION AND RECLAMATION PLANS. <br />• 2.05.6 Mitigation of Surface Coal Mining Operation Impacts. '(Cont'd.) <br />(2) (a) (iii) (C) (Cont'd.) <br />• <br />• <br />No mining will occur beneath [he <br />streambeds of West Roatcap and Terror <br />Creeks and no significant hydrologic <br />features will be undermined during [he <br />first five-year permit term. Studies <br />on subsidence and the affects on envi- <br />ronmental resources will continue dur- <br />ing this term to substantiate evalua- <br />tions made in the subsidence study (sec <br />[he Subsidence Study in Volume 3). <br />Protective pillars (buffer zones) will <br />be left beneath East Roatcap Creek and <br />Steven's Gulch where [he overburden is <br />600' or less to prevent damage to the <br />streambeds and the depletion of flows. <br />Development (room and pillar) mining <br />with no pillar extraction will occur <br />under Che renewable resource lands (al- <br />luvia]/ colluvial deposits) within the <br />Steven's Gulch and East Roatcap Creek <br />drainages where the overburden is 600 <br />to R00 ft. (see Maps 2-9 and 9-1). <br />Spring f]ows within the permit area are <br />an insignificant portion of total <br />flows. Significant stockponds and <br />springs have been identified (see ?lap <br />4-3) and monitoring and repair plans <br />prepared For these resources (see the <br />Subsidence Repair Handbook in Volume <br />3). .dater replacement plans have also <br />been prepared should the resources be <br />affected. <br />in summary, although limited areas of <br />riparian habitat exist, the areas are <br />not considered to be of unusually high <br />value. Additionally, CW; will no[ be <br />mining below [he stream channel of Ter- <br />ror, West Roatcap, or Main Roatcap <br />(,reeks. Where the overburden thickness <br />Revised 12/26/84 <br />Revised 10/01/87 <br />93 <br />