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• <br />..r <br />• ~IIII~I~~I~~II~~I~~ <br />sss <br />WALDEN COAL COMPANY - <br />ANNUAL RECLAMATION & HYDROLOGIC MONITORING REPORT <br />1989 <br />This is the first of Walden Coal Company's annual reclamation <br />and hydrologic reports as required by Walden Coal Company's permit <br />to mine coal (Permit # C-81-021). This and all subsequent reports <br />will consist of three seperate sections; a discussion of the <br />results of an annual rill and gully inspection, an evaluation of <br />revegetation success, and a report on the hydrologic status of the <br />Bourg Mine which underwent final reclamation during the Fall of <br />1988. <br />Rill and Gully Inspection <br />A rill and gully inspection was conducted at the Bourg <br />property on April 26, 1989. At that time it was noted that the <br />sediment control system had, for the most part, worked as <br />designed. There was evidence that, in several instances, runoff <br />had been slowed by the terraces and that sediment had been <br />deposited in the terraces rather than downstream in Mann Draw. <br />One area, adjacent to the previously revegetated East Dump had <br />experienced some rilling. It is believed that this situation does <br />not require immediate attention as the rills are not major and <br />there is reason to believe the area will stabilize within the next <br />year with increased vegetative cover. Walden Coal Company will <br />continue to monitor this area very carefully and, should continued <br />erosion occur, stabilize the area according to the approved <br />reclamation plan. <br />Two significant rills had formed along the road near the gate <br />on the West side of the property. One of the rills was filled the <br />other stablized using a combination of reshaping and rock check <br />dams. It is expected that this area will be stable as vegetative <br />cover increases. <br />Vegetation Survey <br />The vegetation survey was conducted by Warren Keammerer, <br />Ph.d. on July 25, 1989. the results of that survey (Appendix A). <br />indicate that total cover of the reclaimed areas of the Bourg Mine <br />was 72.6. The area most recently seeded had a total cover of <br />73.6$. These values are significantly higher than the 20$ cover <br />required by the permit. <br />