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2009-03-20_PERMIT FILE - M2008082 (3)
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2009-03-20_PERMIT FILE - M2008082 (3)
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Last modified
8/24/2016 3:44:38 PM
Creation date
3/23/2009 2:44:23 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M2008082
IBM Index Class Name
PERMIT FILE
Doc Date
3/20/2009
Doc Name
Adequacy Review Response #2
From
Hart Environmental
To
DRMS
Email Name
ECS
Media Type
D
Archive
No
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REVISED EXHIBIT E - RECLAMATION PLAN <br />6.1 Post-Mining Land Use <br />Approximately 1/3 of the Morton Lakes Sand and Gravel Pit is located in the 100- <br />year floodplain of the South Platte River. Weld County Department of Planning Services <br />considers land located in the 100-year floodplain to be suitable for agriculture, recreation, <br />and wildlife uses. The post-mining land uses as proposed in this Reclamation Plan <br />include developed water storage and wildlife habitat. These uses are compatible with the <br />surrounding land uses and with the Weld County planning goals. <br />In order to minimize surface disturbance at the Morton Lakes Pit, mining and <br />reclamation will be conducted concurrently to the greatest extent practicable. The <br />operator will concurrently reclaim pit wall areas in locations where mining has been <br />completed. Reclamation, including re-grading and seeding will be completed in 2 to 3 <br />years following the completion of mining operations in Stages 2, 3, 4 and 5. Stage 1 will <br />be reclaimed over the life of the mine as wetland habitat. <br />Stage 1 will be backfilled, over the life of the mine, with wash fines from the sand <br />and gravel processing plant. Wash fines will be pumped from the processing plant to <br />Stage 1 and used to backfill each of the three cells that comprise this stage. The goal of <br />the reclamation plan for Stage 1 is to enhance the wildlife habitat diversity of the South <br />Platte floodplain . <br />Stages 2, 3, 4 and 5 will be reclaimed for developed water storage. Preliminary <br />calculations indicate that approximately 3,800 acre-feet of water storage will be created <br />with these four stages. <br />6.2 Reclamation Measures - Material Handling <br />Site reclamation measures are illustrated on Exhibit F. Reclamation of the site will <br />include creation of four slurry-sealed pits. All pit walls will be re-graded using stockpiled <br />overburden. Pit perimeter slopes will be no steeper than 311: 1V. Topsoil will be spread <br />1
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