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<br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.6(13) <br />Mine: Raton Creek Permit No: C-82-055 <br />NPDES ID. No.: 001 <br />Inspection Period: 4th Qtr 2002 <br />Inspection Date: December 31, 2002 <br />General Description or Reference to Site Plan: <br />Raton Creek Mine is in final reclamation. The mine has one sediment control pond. <br />that lies on the westerly portion of the mine site at the base of the refuse disposal <br />area. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover: <br />2). Erosion forming Gullies: <br />3). Is wave action causing erosion: <br />On the Upstream embankment? <br />At the principal spillway inlet? <br />Excellent odera a Few Poor <br />Extensive Some Few None <br />Yes <br />Yes <br />4}. Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />No ~ <br />No r: <br />No /, <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />No j, <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? <br />2). Is the inlet free of debris and restrictive material? <br />3). Is the discharge outlet free of restrictive material? <br />4). Is erosion occurring at the discharge outlet? <br />Evaluate the severity: Extensive Moderate <br />Yes_~~ No <br />Yes L No <br />Yes ~ No <br />Yes No y <br />Just starting None <br />Page 1 of 2 <br />