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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: 1st Qtr. 2001 <br />Inspection Date: 28-Mar-01 <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: Excelle t Moderate Few Poor <br />2). Erosion forming Gullies: Extensive Some Few one <br />3). Is wave action causing erosion: <br />On the Upstream embankment? Yes <br />At the principal spillway inlet? Yes <br />4). Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />No v <br />No <br />No L <br />No <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 L <br />Yes v <br />Yes / <br />Yes <br />Just starting <br />No <br />No <br />No <br />No ~/ <br />None <br />Page 1 of 2 <br />