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,_~ - P¢rma Mining Corporation A ?¢rma Resources Comporri ~ RECEI VEp _-.. -- JAN 07 t95:; y 611NED D ppoCC1AMAT10N p1VjSlOp1 Januar 7 1985 Colo. N'wr1/ Resources Mr. Gregg Squire Reclamation Specialist Colorado Mined Land Reclamation 1313 Sherman Street, Room 423 Denver, Colorado Dear Gregg: As per our conversation the other day, the following response for Stipulation #8 of the Colorado Coal Mining Company (GCMG) has been developed. This response is designed to replace the portions of the permit found in Sections 4.15.7 and 4.15.8. Additionally, as requested by the December 24, 1984 MLRB correspondence from Ms. Susan Mowry, clarification is being provided for Perma's previous responses to Stipulations ~6 and >u9 of the • CCMC permit. Where differences arise between this and Section 2.04.10 of the permit or other permit sections pertaining to vegetation success, this current most response will be in affect. Stipulation #8 The permittee shall provide the Division xith a complete discussion of criteria and methods for revegetation success monitoring consistent with Rules 4.15.7 and 4.15.8 within 9 months of permit issuance. This discussion shall address cover and productivity, and woody plant density. During years 9 and 10 of the 10-year extended liability period following the last year of revegetation work, defined in Section 4.15.7(5) of the MLRB coal regulations, success of revegetation will be determined by measuring cover, herbaceous productivity, woody plant density, and species diversity. The premining vegetation types include grassland and pinyon-juniper communities. Small inclusions of areas disturbed by prelaw underground mining operations also exist. Vegetation following reclamation will be a rangeland habitat. This means that species seeded will be suited primarily to grazing by domestic livestock. Success will be based upon the vegetation reference areas related proportionately to the percent grassland and pinyon-juniper •