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p. 3 Preliminary Adequacy Review - Grassy Creek Mine April 28, 1981 2.09.9 Soils Resource Information 1. What horizons do the samples analyzed in Table 2 represent? Are these composite samples for more than one horizon? The correspondim depths sampled should be given~in Table 2 for each sample. 2. On page II. 1-7 (Table 2), there are more than one set of sample VII. Please specify whether the second set is supposed to be sample VIII. 3. The applicant must supply a map of proposed topsoil stripping depths to comply with 2.04.9(1)(c)(ii). 4. A statement of the capability classes of the soils is given. However, the regulations (2.09.9(1)(e)) require a discussion of present and potential productivity of the soils. Please submit this discussion. ' 2.09.10 Vegetation Information 1. The computations for sample adequacy need to be presented. 2. On page II. J-15, the symbols used in the equations should be ~efined. Also, in th~ case of the S2 factor of the second equation, which S is used (the S for sample X1 or X2)? 3. Some of the reference areas (19 ~ 13) on the vegetation map are located within the proposed disturbed areas. If these reference areas are to be used in the future assessment of revegetation success, they can not be disturbed. Please state whether these areas will be disturbed. 4. Rule 2.04.10(9) of the Colorado regulations requires a discussion of the relationship between environmental factors on the distribution of species. This section also requires that the condition of the community be assessed. Please supply such a discussion. 2.04.11 Fish and Wildlife Resources Information 1. No discussion is given of the presence or absence of fish in Grassy Creek. Please provide a discussion. Also specify whether any endangered species are present. 2. The applicant makes reference in the text to areas designated by DOW. Please provide a map indicating the relationship of these areas to the permit area.