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Weed and Pest Management
<br />. As an integral part of the revegetation plan, noxious weeds and plant pests will be
<br />managed within the revegetated areas. Weed species to be controlled are identified
<br />as those plant species identified by current state statute or regulation as noxious.
<br />The species are not listed here as the list of noxious species changes regularly. Plant
<br />pests are defined as those biological species that significantly predate the desirable
<br />vegetation of the project site.
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<br />The presence of noxious weeds and plant pests will be monitored annually during
<br />the summer. Management measures will be undertaken where a single or
<br />combination of noxious weed species or plant pests comprises or shows a deleterious
<br />effect to more than ten (10) percent of the live vegetation. Further, where noxious
<br />weed species or plant pests constitute more than 25 percent relative vegetation cover
<br />in an area of 500 square feet or such area shows depredation or plant impacts of the
<br />same magnitude, such area will be identified as a patch, and subject to management
<br />measures, irrespective of the percentage of overall noxious weed cover in the
<br />mitigation area.
<br />Noxious weeds or plant pests may be controlled by any combination of cultural,
<br />mechanical, biological or chemical measures. Weed control measures will be
<br />developed specifically for the noxious weed species encountered and in conjunction
<br />with the local weed control district and/or the Colorado State Department of
<br />Agriculture. Where noxious weed control measures cause disturbance to the
<br />remaining vegetation, seeding or planting of desirable replacement vegetation will
<br />occur during the first normal planting or seeding season after weed control
<br />measures have been implemented.
<br />RECLAMATION COSTS
<br />Reclamation costs have been detailed in Appendix 12(5).
<br />The most recent Reclamation Bond Calculation prepared by CDRMS is included as
<br />Appendix 12 (6) .
<br />A copy of the reclamation bond is on file with the Division of Reclamation, Mining 8v
<br />Safety. A confidential copy of the Reclamation Bond is included in Appendix 15.
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<br />National King Coal, LLC King I Mine
<br />Section 2.05.4
<br />Page 10
<br />February, 2007
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