2020-05-13_REVISION - C1981010 ‎(41)‎

• Permit No: C1981010
• IBM Index Class Name: Revision
• Doc Date: 5/13/2020
• Doc Name Note: Proposed Adequacy Review No. 4
• Doc Name: Adequacy Review Response
• From: Trapper Mining Inc
• To: DRMS
• Type & Sequence: PR9
• Email Name: JLE
• Email Name: RAR
• Media Type: D
• Archive: No

Table 3.1-3. Projected Approximate Yearly Disturbance and Reclamation in Acres by Phases
2018 2019 2020 2021 2022
Beginning Permit Term Total Disturbed Acreage 6659.9 6752.9 6752.9 6788.8 6812.6
Beginning Backfilled&Graded Acreage 1041.5 1099.1 1295.8 1208.1 1325.4
Beginning Phase I Bond Released L.O.M.Acreage 4372.3 4372.3 4470.4 4543.9 4543.9
Beginning Phase 11 Bond Released L.O.M.Acreage 4000.1 4000.1 4299.0 4249.2 4249.2
Beginning Phase III Bond Released L.O.M.Acreage 3690.8 3690.8 3613.6 3550.9 3817.8
Beginning Cumulative Remaining Acres Disturbed 2969.1 3062.1 3139.3 3237.9 2994.8
Beginning Total Open Acreage 1927.7 1963.1 1843.6 2029.9 1669.5
Pits Beginning Open Disturbed Acres 1328.3 1343.7 1224.2 1266.4 906.0
Topsoil Removal* 73.0 77.2 116.6 23.8 0.0
Regrading(Final) 57.6 196.7 74.4 384.2 81.6
Topsoiled/Seeding and transplanting perennials 57.6 196.7 74.4 384.2 81.6
Phase I Bond Released Acreage* 0.0 98.1 217.6 0.0 0.0
Phase II Bond Released Acreage* 0.0 298.9 94.3 0.0 0.0
Phase III Bond Released Acreage* 0.0 -77.2 81.4 266.9 0.0
Ending Total Open Disturbed Acres 1343.7 1224.2 1266.4 906.0 824.4
Facilities,Roads, Beginning Open Disturbed Acres 599.3 619.3 619.3 763.4 763.4
&Other Disturbance Topsoil Removal* 20.0 0.0 144.1 0.0 0.0
Regrading(Final) 0.0 0.0 0.0 0.0 0.0
Topsoiled/Seeding and transplanting perennials 0.0 0.0 0.0 0.0 0.0
u' Phase IBond Released Acreage* 0.0 0.0 -144.1 0.0 0.0
w Phase 11Bond Released Acreage* 0.0 0.0 -144.1 0.0 0.0
Phase III Bond Released Acreage* 0.0 0.0 -144.1 0.0 0.0
Ending Total Open Disturbed Acres 619.3 619.3 763.4 763.4 763.4
Totals Topsoil Removal 93.0 77.2 260.7 23.8 0.0
Regrading(Final) 57.6 196.7 74.4 384.2 81.6
Topsoiled/Seeding and transplanting perennials 57.6 196.7 74.4 384.2 81.6
Phase I Bond Released Acreage 0.0 98.1 73.5 0.0 0.0
Phase II Bond Released Acreage 0.0 298.9 -49.8 0.0 0.0
Phase III Bond Released Acreage 0.0 -77.2 -62.7 266.9 0.0
.> 1;U Ending Total Open Disturbed Acres 1963.0 1843.5 2029.8 1669.4 1587.8
G
a O. Ending Permit Term Total Disturbed Acreage* 6752.9 6752.9 6788.8 6812.6 6812.6
CD0 Ending Backfilled&Graded Acreage 1099.1 1295.8 1208.1 1325.4 1407.0
Ending Phase I Bond Released L.O.M.Acreage 4372.3 4470.4 4543.9 4543.9 4543.9
• Ending Phase II Bond Released L.O.M.Acreage 4000.1 4299.0 4249.2 4249.2 4249.2
b Ending Phase III Bond Released L.O.M.Acreage 3690.8 3613.6 3550.9 3817.8 3817.8
70 Ending Cumulative Remaining Acres Disturbed 3062.1 3139.3 3237.9 2994.8 2994.8
O
Ending Total Open Acreage 1963.1 1843.6 2029.9 1669.5 1587.9
* Phase III bond release redisturbance in N Pit in 2019(77.2 acres of pit disturbance),and in 2020(80.7 acres of pit disturbance,33.7 acres of haulroad disturbance and
110.4 acres of disturbance for an overburden stockpile).Also affects Phases I and II acres.Note that there is a Phase I bond release(SL-18,175.3 pit acres)and a
Phase 11 bond release(SL-19,376.1 pit acres)in 2019;a projected Phase III bond release(SL-20,162.1 pit acres)in 2020;a projected Phase I bond release
(298.3 pit acres)in 2020; a projected Phase II bond release(175.0 pit acres)in 2020;and a projected Phase III bond release(266.9 pit acres)in 2021.
Redisturbance acres are not added to total disturbance acres.