2009-04-30_REVISION - C1981008 (2)

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New Horizon Mine TR-58 3rd Adequacy Review 30 April 2009 Page 3 of 4 5. The soil type/map unit symbols for the soil types listed in Table (e)-6 on page (e)- 19I and Jim Boyd's letter [page (e)-19K] are from the 1986 San Miguel Soil Survey, and do not correspond with the map unit symbols used in the Soils Baseline section of the application (listed on Map 2..04.9-1). For clarification, please amend Table (e)-6 to include corresponding map unit names and also include, on Map 2.05.4(2)(e)-1, a tabular listing of all map unit symbols referenced in Mr. Boyd's letter, with corresponding map unit names, similar to the tables provided on Map 2.04.9-1. On amended Map 2.05.4(2)(e)-1, the tabular listing of map unit symbols and corresponding map unit descriptions was provided as requested, with the exception that one of the map units in the permit area was omitted (Map Unit 82-Progresso loam, 6 to 12 percent slopes). Please provide a revised Man 2.05.4(2)(e)-1, with Map Unit 82 included in the Man Unit Symbol/Description table. 6. The reference area production weighting procedure is described on page (e)-19I. We have a recommendation to clarify the wording in the 5t' sentence of the first paragraph, as follows: This weighted average factor is then divided by the reference area weighted average adjustment factor (1. 022), and the resulting value is multiplied by the reference area production sample mean to obtain the adjusted reference area sample mean. The production standard for that particular reclaimed block is [90% of/ the adjusted reference area sample mean. Please consider the recommended wording and amend the paragraph as appropriate. The narrative was amended as requested. Item Resolved. 7. To conform with commitments regarding grazing management of the reference. area, the timeframe for success demonstration sampling in the third paragraph on page (e)-19L (... during the May through September growing season), should be revised. Please amend the wording to clarify that measurements will be made in late May/Early June immediately prior to 1 S` cut harvest of the reclaimed fields and prior to any growing season livestock grazing in the reference area. The narrative was amended as requested. Item Resolved. 8. On page (e)-19, as a part of the proposed "quality standard", the narrative indicates that "no more than 3% relative production will be comprised of county listed noxious species". The Division's policy is that noxious species are not allowed to contribute to achievement of cover or production success standards.