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2011-04-18_REVISION - M1981185
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2011-04-18_REVISION - M1981185
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Last modified
6/15/2021 5:58:11 PM
Creation date
4/19/2011 8:02:52 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1981185
IBM Index Class Name
REVISION
Doc Date
4/18/2011
Doc Name
Response to preliminary and second adequacy issues (CN-01) Part 1 attachments A-E
From
R2Incorporated
To
DRMS
Type & Sequence
CN1
Email Name
WHE
DB2
PSH
ACS
Media Type
D
Archive
No
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Response to Preliminary County Comments Received on March 17, 2011 <br />(a) The Division has determined some of the proposed mining activities pose minimal <br />potential to affect surface or ground water quality. Such activities may commence <br />after the issuance of CN-01 and prior to the Division's approval of adequate <br />hydrologic information for surface and ground water. These activities are limited to <br />the following: <br />• Stabilization and reconstruction of illegal access road from County Road 124 <br />to bridge; <br />• Grading of pre-existing access roads not defined as affected lands; (show on <br />map) <br />• Installation of storm water management structures; <br />• Excavation of the collapsed portal at May Day 1 level and establishment of a <br />stable highwall and mine bench at the May Day 1 level; <br />• Removal of soil, rock and mining related debris from the drainage channel of <br />Little Deadwood Gulch at the Chief Portal and May Day 2 level; and <br />• Corrective measures as necessary to comply with enforcement actions issued <br />by other agencies, with written approval from the Division. <br />Response #14(a) <br />These corrective actions have been addressed in the revised Exhibit D (Mine Plan) and <br />Exhibit 6.5 (Geotechnical). <br />• Stabilization and reconstruction of illegal access road from County Road <br />124 to bridge (Revised Exhibit D-Mine Plan); <br />• Grading of pre-existing access roads not defined as affected lands (show <br />on map) (Revised Exhibit D-Mine Plan); <br />• Installation of storm water management structures; (Revised Exhibit T) <br />• Excavation of the collapsed portal at May Day 1 level and establishment <br />of a stable highwall and mine bench at the May Dav 1 level (Revised <br />Exhibit 6.5-Geotechnical); <br />• Removal of soil, rock and mining related debris from the drainage <br />channel of Little Deadwood Gulch at the Chief Portal and Mav Day 2 <br />level (Revised Exhibit 6.5-Geotechnical); and <br />• Corrective measures as necessary to comply with enforcement actions <br />issued by other agencies, with written approval from the Division <br />(b) The Division has determined some of the proposed mining activities pose significant <br />potential to affect surface or ground water quality. Such activities may not <br />commence until the Division receives and approves hydrologic information adequate <br />to fully characterize baseline conditions for surface and ground water, and a <br />hydrologic monitoring plan sufficient to verify compliance with water quality <br />regulations. These activities, which cannot commence until hydrologic baseline <br />Revised <br />4/14/2011 <br />8
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