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2019 Plan of Operations Modification American Gypsum Company, LLC <br /> Table 1.2: Permitted and Actual Surface Disturbance Summary...........................................4 <br /> Table 1.3: Proposed Surface Disturbance Summary.............................................................5 <br /> Table 1.4: BLM and CO DRMS Authorizations ......................................................................6 <br /> Table1.5: Claim Information ..................................................................................................8 <br /> Table 3.1: NOAA Design Storm Depths...............................................................................11 <br /> Table 5.1: Legal Description of Proposed Permit Expansion Boundary...............................18 <br /> Table 6.1: Estimated Schedule of Operations......................................................................23 <br /> Table 6.2: Anticipated Equipment by Phase.........................................................................25 <br /> Table 6.3: Soil, Waste, and Mineable Material Summary.....................................................28 <br /> Table 6.4: Mining Method Summary ....................................................................................30 <br /> Table 6.5: Facilities on Public Lands....................................................................................31 <br /> Table 6.6: Characterization Methods ...................................................................................31 <br /> Table6.7: Inspection Schedule............................................................................................33 <br /> Table 7.1: Reclamation Map Guide......................................................................................37 <br /> Table 7.2: Proposed Seed Mixture.......................................................................................39 <br /> Table 7.3: Existing Mine Office/Staging Area Buildings .......................................................40 <br /> Table 8.1: Sediment Pond M201 through M601 Summary.................................................43 <br /> Table 8.2: Required Stormwater Runoff Capacities.............................................................44 <br /> Table 10.1: Eagle-Gypsum Mine Permits and Licenses.........................................................47 <br /> Table 10.2: Other Permits and Licenses P].............................................................................47 <br /> LIST OF FIGURES <br /> Figure 3.1: Geological Map (area taken from Tweto et al., 1978) .........................................13 <br /> LIST OF DRAWINGS <br /> Drawing 01: Cover Sheet <br /> Drawing 02: Legend <br /> Drawing 03: Land Status and Information Map <br /> Drawing 04: Proposed Disturbance Area Map <br /> Drawing 05: Soils and Vegetation Map <br /> Drawing 06: Proposed Upper Pit Expansion Map <br /> Drawing 07: Proposed Upper Pit Expansion Cross-Sections <br /> Drawing 08 Proposed East Pit Map <br /> Drawing 09: Proposed East Pit Cross-Sections <br /> Drawing 10: Proposed Culvert Sections and Detail <br /> Drawing 11: Proposed Disturbance Reclamation Grading Map <br /> Drawing 12: Proposed Disturbance Reclamation Grading Cross-Sections <br /> Drawing 13: Proposed Disturbance Reclamation Grading Isopach <br /> Drawing 14: Watershed and Drainage Map <br /> Am Gypsum Poo Mod ISSD 20190909 September 2019 114 <br />