APPENDIX B
BONANZA PROJECT
MINE CLOSURE SCHEDULE
Appendix B
BONANZA MINE CLOSURE SCHEDULE
Page 1
TAG DIMENSIONS SITE OPENINGBACKFILLHISTORICRECLAIM MIN CU YDSRECLAIM
NUMBER WD HT LT(DP) ACCESS ACCESS SOURCEOR BATSACTION OR SIZE METHOD
(FT) (FT) (FT) CY/FT2)
T09S, R21E Site Group
4092132VO0012.512.07.54WHEEL4WHEELPUFHistoric/BatsPUF12 cyHand
2.512.01.0ConcreteConcrete Cap1.1 cyHand
4092132VO0022.014.06.04WHEEL4WHEELPUFHistoric/BatsPUF6.2 cyHand
2.014.01.0ConcreteConcrete Cap1.0 cyHand
4092132VO0033.011.09.04WHEEL4WHEELPUFHistoricPUF11 cyHand
3.011.01.0ConcreteConcrete Cap1.2 cyHand Concrete Cap
4092132VO0041.56.54.54WHEEL4WHEELPUFHistoricPUF1.6 cyHand
1.56.51.0ConcreteConcrete Cap0.4 cyHand
4092132VO0053.511.050+4WHEEL4WHEELPUF Historic/BatsPUF15 cyHand
3.511.01.0ConcreteConcrete Cap1.4 cyHand
VO001-VO0022.511433+4WHEEL4WHEELConcreteHistoricConcrete Cap10.6 cyEquip/Hand
VO002-VO0042.010033+4WHEEL4WHEELConcreteHistoricConcrete Cap7.4 cyEquip/Hand
VO004-VO0032.5200100+4WHEEL4WHEELConcreteHistoricConcrete Cap18.5 cyEquip/Hand
VO005-VO0013.523650+4WHEEL4WHEELConcreteHistoricConcrete Cap30.6 cyEquip/Hand
T10S, R21E Site Group
4102129VO0012.59.5934WHEEL4WHEELADJBatsRem Fence/Backfill85 cyEquipment
4102129VO0022.522.033.04WHEEL4WHEELADJBatsBackfill45 cyEquipment
4102129VO0032.087.557.04WHEEL4WHEELADJ/IMPORTBatsRem Fence/Backfill385 cyEquipment
4102129VO0042.012.095.04WHEELFOOTIMPORT/ADJNonePull Tmbr/Backfill87 cyEquipment
4102129VO0056.527.032.04WHEELFOOTADJNoneRem Fence/Backfill120 cyEquipment
4102129VO0062.026.08.04WHEELFOOTADJNoneRem Fence/Backfill19 cyEquipment
4102129VO0075.539.015.04WHEEL4WHEELADJNoneRem Fence/Backfill135 cyEquipment
VO001-VO0022.515.0964WHEEL4WHEELADJNoneProbe/Backfill133 cyEquipment
2.593.0964WHEEL4WHEELADJNoneBackfill693 cyEquipment
VO003-VO0042.015.01904WHEEL4WHEELADJNoneProbe/Backfill211 cyEquipment
2.095.01904WHEEL4WHEELADJNoneBackfill1,126 cyEquipment
VO003-VO0012.515.0504WHEEL4WHEELADJNoneProbe/Backfill129 cyEquipment
2.593.0504WHEEL4WHEELADJNoneBackfill631 cyEquipment
VO004-VO0053.015.01184WHEEL4WHEELADJNoneProbe/Backfill197 cyEquipment
3.095.01184WHEEL4WHEELADJNoneBackfill1,049 cyEquipment
VO005-West 40 Ft3.015.0404WHEEL4WHEELADJNoneProbe/Backfill67 cyEquipment
3.032.0404WHEEL4WHEELADJNoneBackfill308 cyEquipment
4102132VO0011.547.064.04WHEEL4WHEELPUFBatsPUF11.8 cyHand
1.547.01.0ConcreteConcrete Cap2.6 cyHand
4102132VO0022.010.050.04WHEEL4WHEELADJBatsPull Tmbr/Backfill39 cyEquipment
Dimensions:WD=Width of opening in feet.
HT=Height of opening in feet or other dimension on shaft.
LT (DP)=Length of adit or incline or depth of shaft (or open stope) in feet. A plus (+) sign is used when the
length is greater than indicated.
Access:4 Wheel=4 Wheel drive truck can reach the general site area or opening.
RT Dozer=A rubber tired (RT) dozer/backhoe can reach the site.
Crawler=A tracked dozer/backhoe can reach the site.
Crawler w/impr.=No established road to the site. Crawler access with improvement will be necessary to access the site area or
opening. After improvement most areas could be reached with dump trucks.
Foot=No established access. The site must be reached by walking.
BackfillDump=Mine dump (usually downhill and small size-shovel material).
Source:Adj=Rock or dirt adjacent to the opening and up to 100 feet from the opening.
Scale=Create backfill by scaling (with pick or bar) the adjacent hillside.
Sliderock=Sliderock area adjacent to the opening.
Import=The backfill source is greater than 100 feet from the opening.
N/A=Not Applicable. Does not apply to the chosen reclamation option.
HistoricHistoric=Mine is culturally significant.
or BatsExclude=Exclude mine for bats.
Gate/Grate=Bat compatible closure.
ReclaimBackfill=Backfill to the specified depth or length.
Action:Pull Tmbr/Bkf=Mine timbers must be pulled and disposed of and then backfill.
Rem Fence/Bkf=Fence must be removed and disposed of and then backfill.
Crown/Bkf=Remove visible crown pillar and then backfill.
Timber &Install timbers along side of existing timbering to close up holes (seal access).
Bat Gate=Then install bat gate on front of mine timbers.
Bat Grate=Metal grate fabricated to allow bats access to the underground workings.
Bat Gate=Lockable bat gate with keys as required by the landowner or mineral claimant and bat survey personnel.
Shaft Grate=Install a grate over the top of the shaft.
Conc=Install concrete cap over the top of the shaft.
Reclaim Hand Only=Due to access constraints, this work must be done by hand.
Method:Hand & Equip=Some of the work can be done with equipment but some hand work is also required.
Hnd Only/Blast=This work can be done by hand or with blasting assist (optional).
Equipment=This work can be done with equipment.
Equip/Blast=This work can be done with equipment or with blasting assist (optional).
Equip/Hand=This work can be done with equipment or by hand (optional)
Denied=Landowner or mineral claimant has denied permission to perform any reclamation.