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<br />Mr. Thomas A. Schreiner <br />May 16, 2001 <br />Page 4 <br />Inc <br />call on the river, potential sources to be used will be legally available water from decreed <br />reservoirs or other legal options. These sources will be detailed in [he Substitute Water Supply <br />Plan. <br />11. None of the ditches within the mining area aze currently lined. Any of the ditches to be relocated <br />may suffer seepage losses, which will be mitigated by piping the ditch, concrete lining the ditch or <br />replacing the ditch using impermeable materials (clay mix soils, etc.). Prior to relocating a ditch, <br />an agreement will be reached with each ditch company outlining the pazameters of the relocation <br />so that the ditch will be protected. The ditches which aze not to be relocated will be monitored to <br />determine if mining activities increase seepage. To a large extent, ditches which have been <br />running water for 100+ years tend to seal themselves. They may or may not be hydrologically <br />connected to the alluvial aquifer. An agreement will be reached with each of the ditch companies <br />in the mining area to address their concerns and protect against adverse impacts. <br />12. Please refer to the attached map and well ownership list for details on wells within 600 feet of the <br />mining operation. <br />6.4.8 EXHIBIT H -Wildlife Information <br />13. Please fax us the comments from the Division of Wildlife as soon as you receive them so that we <br />may incorporate them into our response. <br />6.4.13 EXHIBIT M -Other Permits and Licenses <br />14. Attached is the concurrence letter from the Army Corps o f Engineers. Aggregate will apply for <br />404 permit closer to the date of disturbance since 404 permits expire. We will forwazd a copy of <br />the permit to the Division. <br />6.4.19 EXHIBIT S -Permanent Man-Made Structures <br />15. The applicant will commit to a minimum setback of 200 feet from any ditch that is within 200 feet <br />of the affected land until an agreement can be reached with the ditch owner(s). <br />BONDING <br />Aggegate Industries, Inc. anticipates that this site will not be disturbed for at least three to five yeazs. <br />Thus, the operator prefers to submit a limited warranty of $1,000 until they are ready to begin operations. <br />Aggregate Industries, Inc. will notify the Division and submit a property executed financial warranty in the <br />full amount required at least 60 days prior to initiation of disturbance. <br />