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2011-06-27_REVISION - C1981022 (2)
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2011-06-27_REVISION - C1981022 (2)
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Last modified
8/24/2016 4:34:54 PM
Creation date
6/27/2011 8:52:14 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981022
IBM Index Class Name
REVISION
Doc Date
6/27/2011
Doc Name
Letter Application and Public Notice
From
Oxbow Mining, LLC
To
DRMS
Type & Sequence
TR71
Email Name
MPB
SB1
Media Type
D
Archive
No
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Site Construction, Operation and Reclamation <br />The project will be very similar to that which had previously taken place for current borehole <br />sites. Overall, the sites will be accessed via the pre- existing Bear Creek canyon ranch road. <br />New light use road segments will be constructed using sidecast construction techniques, cutting <br />and filling as needed to achieve a typical road width of about 10 - 16 feet. <br />The pad sites will be approximately 150 feet wide and 150 feet long or 0.50 acres. Any salvaged <br />topsoil will be stockpiled adjacent to the pad. Drill fluids will be collected in mud pits. <br />(Approximately, 8'D x 10'W x 40'L in size). After the borehole casing has been completely set, <br />a skid mounted methane fueled pump will be installed over the well head. The pump will be <br />operated with the methane and other gasses drawn from the mine, and any excess gas will be <br />vented into the atmosphere. MSHA has not presently allowed any other suitable alternatives for <br />the vented mine gasses as potential alternatives (such as flaring) could adversely impact miner <br />safety. <br />Unless otherwise requested, the boreholes will be sealed and the new roads and borehole pads <br />reclaimed in accordance with the procedures further described in the PAP or in accordance with <br />the applicable regulations. Typically, a particular GVB site is reclaimed the year after a panel is <br />mined and sealed. <br />Threatened and Endangered Species Assessment, Cultural Resources Assessment <br />A block clearance cultural resources assessment titled "Class III Cultural Resources Inventory of <br />the Block Clearance Area Project" prepared August 26, 2005 by Grand River Institute has <br />previously been submitted to DMG. This proposed GVB project will not effect any areas of <br />concern noted in this report. <br />A "Block Biological Clearance Project" prepared in August 2005 by Monarch and Associates <br />covers the project area. A copy of the reports have previously been forwarded to the Division <br />and can be found in PAP Exhibit 2.04 -E7. <br />The proposed changes for each of the panels 17,18 and 19 are as follows. <br />Panel 17 <br />LW- 17 -04B was formerly approved as a directional borehole located at the LW -17 -04 pad site. It <br />is now is proposed as a vertical borehole from its own padsite. <br />Panel 18 <br />Pilot hole 18 -01 A was drilled. Formerly approved LW 18 -01 A, 01B and 01C were not drilled. <br />The site is no longer needed and will be reclaimed. <br />Borehole LW-18-01B is moved to a new site for a vertical borehole. <br />LW- 18 -02B is a new vertical borehole site with 640' of new road. <br />Old 18 -03 pilot hole pad will now be reclaimed. <br />• Page 2 <br />
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