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STATE OF COLORADO RICHARD D. ~. Gov c.n o. DEPARTMENT OF NATURAL RESOURCES D. Monte Pascoe, Executive Director MINED LAND RECLAMATION 423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203 Tel. (303) 839-3567 David C. Shelton Director T0: Susan FROM: Carol MEMORANDUM RE: H.G. revegetation plan and bond release criteria DATE: February 11, 1981 iii iiiiiiiiniu iii 999 Wendell Hassell from the SCS was in today to discuss the possibility of installing some test plots at the northern end of H.G.'s overburden dump (the area shown as 1980 reclamation on Exhibit W). I like his plan, and encourage this approach, but told him that since the test plots are long term and probably permanent, they must be integrated into the reclamation plan, and included in the sampling when the permit area is evaluated for bond release. Therefore: 1. Acreage to be planted to shrubs must be determined and specified by the Company for the entire permit area (preferably mapped). Wildlife concerns should be part of the basis for this number. The small acreage to be planted to shrubs in the test plot area can be offset by planting more shrubs in the remainder of the area. 2. A shrub density standard must be set by the Company and ourselves. For bond release, this will be applied to all shrub areas, over the entire permit area. (One average measurement) 3. Herbaceous cover and production standards must also be set, again these will be compared with herbaceous cover and production on the reclaimed area, based on sampling the entire reclaimed area (although we m~ want to set a separate standard for the shrub areas.) Reseeding, etc. of portions of the test plot area is permissable within the first five years of the liability period without affecting bonding. The results of the test plot program will be used in the future to modify the reclamation plan.