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A revised Exhibit D is attached to this letter. <br /> 3. Please assure that Map C2B provides all information required as per Rule 6.4.3, This <br /> may mean a lamer format mat, or even tivo maps to insure all information is legible, <br /> Map C-213 has been improved with further information. Please note: this map is meant to be <br /> printed at a I":100' scale on a 34"x22" sheet size. <br /> 4. Please assure that Alap FBI provides all information required as per the <br /> aboi,enientioned ride. <br /> Map C-I B has been improved with further information. Please note: this map is meant to be <br /> printed at a I":100' scale on a 34"x22" sheet size. <br /> S. Please provide the division the acreagefar the requested additional disturbance. <br /> 6 Please peruse the 1980 reclamation plan onfile at DRUS and for additional <br /> compliance requirements ofRiole.3.1, updating the narrative liith appropriate <br /> hilbrination addressing both Rule 64.5 and Rule 3.1 as they pertain to the activities <br /> associated with TR4 specifically addressing: <br /> a. timing associated with TR4 <br /> b, mining processes <br /> c. reclamation measures <br /> d. permanent features that niqv be a requested after mining the area associated <br /> tint! TR4 has been completed <br /> e. reclamation cost estimate as per Rule 6,4,12, Exhibit L. <br /> See the attached revised Exhibits D, E, and L. These have been developed to update the <br /> approved mining plan, reclamation plan, and reclamation cost to current regulations. <br /> 7. Please provide a narrative addressing sections (1)and(2) qf the above mentioned rule. <br /> See the revised Exhibit E. <br /> S. Please provide modelling or analysis to Justify the designs of inlet and outlet structures, <br /> The inflow/outflow structures are designed based on recommendations and guidance from Urban <br /> Drainage and Flood Conirol District Technical Revieu, Guidelines for Gravel dining& Water <br /> ,Storage Activities Within or A(Ijacent to 100-Year Floodplains, The structures are intended to <br /> minimize the hydraulic head difference between the river and the it take following mining, This <br /> will protect the permanent lake from being captured by the river. <br /> These structures will not be installed if mining does not encroach to within 250' of the river. If <br /> such a buffer is maintained, the structures will not be needed, <br /> Bunn Ranch TR 2 X!;rvr$A�kkl a94 AsWWM PLAX, <br /> .............................................................................................. <br />