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Aggregate Industries, Morrison Quarry <br /> Amendment No.7 to Permit M-1973-021 FYZ <br /> Morrison,CO <br /> Contents <br /> ExhibitA — Legal Description........................................................................................................1 <br /> ExhibitB — Index Map...................................................................................................................7 <br /> Exhibit C — Pre-mining and Mining Plan Maps of Affected Lands.................................................9 <br /> ExhibitD — Mining Plan...............................................................................................................15 <br /> Rationale for Amended Mining Plan........................................................................................15 <br /> Phase III Work Completed to Date..........................................................................................15 <br /> General Phase III Mining Approach ........................................................................................16 <br /> Above El. 7,000: 60H:40V Benches ....................................................................................16 <br /> El. 7,000 to El. 6,600: 40H:60V Benches ............................................................................16 <br /> Below El. 6,600: 40H:40V Benches and application of the Observational Method .............17 <br /> Phase III Quarry Development Narrative ................................................................................18 <br /> WestQuarry Haul Road.......................................................................................................18 <br /> South Quarry Development.................................................................................................18 <br /> West Quarry Development ..................................................................................................19 <br /> WaterManagement.............................................................................................................19 <br /> Schedule for Phase III Buildout ...........................................................................................20 <br /> Exhibit E — Reclamation Plan......................................................................................................27 <br /> ExistingReclamation...............................................................................................................27 <br /> NorthQuarry........................................................................................................................27 <br /> CentralQuarry.....................................................................................................................27 <br /> SouthQuarry .......................................................................................................................28 <br /> PlannedReclamation ..............................................................................................................28 <br /> NorthRepository Area.........................................................................................................28 <br /> South and West Quarries ....................................................................................................29 <br /> Grading................................................................................................................................32 <br /> StructureRemoval...............................................................................................................33 <br /> Revegetation........................................................................................................................33 <br /> Schedule..............................................................................................................................34 <br /> Planned Reclamation Scope of Work..................................................................................35 <br /> Exhibit F— Reclamation Plan Maps............................................................................................42 <br /> Exhibit G —Water Information.....................................................................................................52 <br /> Project Water Requirements ...................................................................................................52 <br /> October 2021 1 i <br />