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or trespassing is permitted. Therefore, any persm in the canyon who is there <br />without the expressed permission of Cave of the Winds or Castle Concrete is <br />• trespassing on private property and could be subject to appropriate pernalties. <br />ROCK IN DRAINAGE: It is felt by Castle Concrete that the press~nce of the <br />large r«ks in the drainage does not cause any significant or measurat~le adverse <br />effects on the drainage or the hydrology of the area. In fact, it is felt the r« k <br />provides an armoring of the drainage bottom to reduce erosion and pro~~ide some <br />degree of silt deposition ability. To remove the r« k would require i:he <br />construction of an access road which would cause severe, long term damage to the <br />area which would far exceed that which was caused by the rocks falling to the bottom <br />of the drainage in the first place. <br />SLCPE DAMAGE: In the opinion of Castle Concrete, the most severe damage to <br />the land caused by this spillage is the damage to the slope between ttie bottom of <br />the drainage and the top of Phase 1. Many soil gouges were caused by the large <br />r« ks bouncing down the hillside. Several trees were also damaged or killed <br />(estimated at 6 to 12). I-bwever, because most of the vegetation on this hillside is <br />dominated by Gambel Dak, it is felt that recovery of the shrub component will be <br />quite rapid without any additional efforts to rehabilitate the shrub damage. Gambel <br />Oak is noted for its ability to recover from damages such as this. <br />• However, same potential exists to have 1« al areas of headward errosion develop <br />in the vicinity of the soil gouges (a slight amount is already «curr:.ng). These <br />damages need to be corrected and a grass cover developed in these gouges using a <br />rapidly growing, sod forming grass mixture. <br />CORRECTIVE ACTION: The following corrective actions are proposed. <br />ROCKS IN DRAINAGE: No specific corrective action is proposed 'For the r« ks <br />in the bottom of the drainage. To remove the r« ks would require the construction <br />of an access road either down the drainage or down the slope above thfa drainage. <br />Such a road would damage the drainage or the slope to a high degree and would <br />require ma,7or rehabilitation in its own right. Therefore any seeding or <br />revegetation of the r« k areas will be done in conjunction with the s:.ope <br />rehabilitation. <br />However the large r«ks and any damaged trees which are 1« ated near the <br />mining limit will be removed as this would not cause severe damage to areas which <br />have not already been affected by nearby mining. This cleanup was p1~3nned to be <br />done prior to leaving the Phase 1 area anyway and therefore could 6e <:onsidered as <br />C <br />CORRECTIVE ACTION PLAN SNVDER ROCK SPILLS PAGE 5 <br /> <br />