_PERMIT FILE - M1995035 ‎(9)‎

• Permit No: M1995035
• IBM Index Class Name: Permit File
• Section_Exhibit Name: EXHIBIT D MINING PLAN
• Media Type: D
• Archive: No

In Phase 3 through 7 Connell will mine from west to east. As these phases are mined, Connell
will closely follow with backfilling of overburden, capping with topsoil,and vegetating to
minimize the amount of disturbance at anyone time. Once the backfilling gets to the proposed
reservoir, shoreline material will be graded to no steeper than a 3H:1 V slope.
Connell plans to mine to the claystone bedrock. The claystone is generally competent and will
withstand erosional forces. However, some areas might not contain marketable sand and gravel
down to the bedrock. These areas will remain exposed until the reservoir is filled with water. To
help suppress dust, Connell will consider seeding areas of the reservoir bottom that have a high
potential for dust emission.
Processing and Asphalt Batch Plant Site Equipment
The processing equipment, asphalt batch plant, and other equipment are portable and will be
removed from the site following the completion of the project.
Grading
Grading will be done to provide stabilized shorelines around the reservoir. All backfilling will
be done using native overburden, topsoil and claystone. There are no known toxic materials in
the proposed backfill material.
All grading will be done to prevent erosion. Final grading will be done immediately after
topsoiling has been completed. Backfilling will be completed in phases after mining is
completed.
All slopes left by the mining operation will be no steeper than 3H:1 V from five feet above to ten
feet below the water elevation(including the islands). All other slopes will be no greater than
2H:1 V.
Earthen berms will be placed along the north and east edges of the property prior to completing
mining in Phase 2. These berms will serve as a visual screen of the property.
Topsoiling
The topsoil will be stockpiled for the reclamation process. Topsoil stockpiles which remain in
place longer than one growing season will be seeded with an Annual Rye Grass. It will be hand
broadcast at rate of four pounds per acre. Handling of topsoil will be minimized by efficient
sequencing of the mining.
Stripped topsoil will be stockpiled out of the floodway to reduce the risk of inhibiting the flow of
a flood. In addition, the stockpiles will be aligned with the natural flow of the river. In Phase 2
topsoil will be temporarily stockpiled along sections of the phase perimeter and will be used to
reclaim once the aquitard is established. In Phases 1 and 3 through 7, Connell will limit the
amount of topsoil stockpiled at any one time by continuously using it to cap backfilled areas.
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