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<br />Mr. (iary Tuttle <br />3 August 19, 1992 <br />pit will be directed toward the dewatering pump. The operator cannot <br />expose groundwater or dewater the area until an approved augmentation <br />plan and well permitls) have been obtained from the State Engineer's office. <br />Please provide DMG with proof that the operator has submitted the <br />augmentation plan and well permit application(s) to the State Engineer's <br />office. <br />7. In Exhibit E it is unclear if "non-marketable material and overburden" being <br />replaced at an even depth of 6 to 9 inches is topsoil, or if these materials are <br />additional and will underlay the SCD recommendation of 8-12 inches of <br />topsoil. Please clarify. This greater topsoil depth recommended by the SCD <br />would enhance reclamation efforts on the site and may aid in greater <br />vegetative cover and thus faster bond release. <br />8. It is proposed in Exhibit G that total consumptive use both during and after <br />mining will be provided by existing water rights to the property. The post- <br />mining land use will be residential with two lakes of 67.1 total acres <br />hydraulically connected to the alluvial aquifer. The potential impact to well <br />owners within the 4,000 foot perimeter (Exhibit G-1) needs to be addressed <br />specifically by: <br />a) Providing baseline data, seasonally, to determine on-site <br />groundwater level, temperature and conductivity; <br />b) Mapping the location of each well within this 4,000 foot area <br />(the parcel designation is not adequatel; and <br />c) Providing the Division with written agreements between the <br />operator and all well owners as to possible compensation for <br />damages (Section 115(41(d) of the Act1. <br />The 4,000 foot perimeter will serve as a designated boundary unless <br />additional downgradient drawdown is identified through monitoring and <br />mitigation is required beyond this boundary. <br />9. The operator proposes in Exhibit G, Mitigation of Impacts to Well Owners, a <br />series of five monitoring wells to be read bi-monthly for groundwater depth. <br />As stated above, these wells should be monitored bi-monthly and seasonally <br />for ground water level as well as temperature and conductivity. Thereafter, <br />water level stability should determine monitoring frequency. Data from on- <br />site well monitoring as well as monitor-data in adjacent owners' wells shall <br />