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a <br />Mr. Tom Kaldenbach, CDMG <br />Re: PRA Response <br />Page 2 <br />Response to Comment 2 (8/21 letter). <br />The information you obtained from the AVS is obviously out of date. The correct names <br />and corporate affiliations were provided to you with the original submittal of the PR-04 <br />document. <br />Response to Comment 3 (8/21 letter). <br />The groundwater well information in Table 2.7-22c was evaluated and appropriate <br />corrections were made. The correct township and range headings for original item 32 <br />(new item 16) was revised to T6N R90W. Original items 15 and 17 to 31 were <br />eliminated from the table because they were found to be well beyond the one-mile buffer <br />zone from the perimeter of Trapper's permit boundary. The remaining items were <br />renumbered (item 16 became item ]5 and item 32 became item 16). Revised pages <br />2-524f and 2-5248 are enclosed. <br />Response to Comment 4 (8/21 letter). <br />The subdrainage boundary in question has been wrrected on enclosed map M51 (sheet <br />2). Hydrology and Sedimentology data are not noticeably affected. <br />Response to Comment 5 (8/21 letter). <br />Culvert A-8 no longer exists in the field. Enclosed Map M-51 (sheet 2) has been revised <br />to remove culvert A-8. Enclosed page 4-174 of Table 4.8-3 has also been revised to <br />eliminate reference to culvert A-8. <br />Response to Comment 6 (8/21 letter). <br />Yes. The only dwelling within cone-mile radius of any mining activity is the new <br />Stoddard house and we will keep in communication with them about any blasting <br />concerns they may have. <br />Response to Comment 7 X8/21 letter). <br />The discussion on enclosed page 3-39 has been updated to indicate the maximum amount <br />of time that pits will be open during the PR-4 permit term. <br />Response to Comment 8 (8/21 letter). <br />Enclosed Figure 3.5-1 (page 3-41) has been revised to show only three spoil rows. This <br />change corrects the previous contradiction with text page 3-39. <br />Response to Comment 9 (8/21 letter). <br />Watershed size for drainage and sediment wntrol planning includes the subwatershed <br />areas associated with ponds downstream of the disturbance. Watershed size for the <br />purpose of defining postmining drainage size is generally measured from areas upstream <br />from the first pond or areas that have been disturbed and reclaimed. In addition, <br />watershed boundaries in the premine and postmine conditions can differ due to <br />alterations in topography. In order to avoid confusion, Trapper will use the larger <br />