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~~ .:. ,, near the river. Please refer to section 817.81 et seg. The proppsee The proposed drainage control plan tfi the area between the new ventllatlon entry and topsoil borrow area may create more dlstur- banee then is really necessary to tr~et drainage. from tho Brea. Refer to sections 817.u?(4) and 817.153 to Aesinn iho road drain- age system. Drainac;r_ from the topsoil borr~~naeoa and'face up area can be con [rolled with bar^~s or wall sedin•r•nt ponds. ?&ha uplanA unaffocteA dralnago area appears to be smail and heavily 6regetated. There Is probably no need to divert this upland drainage. tlo area fora topsoil stockpile has been tAentifled. .. Lross sectlon diagram of Berm of Sp•bils Pile. The cross sectlon of tlir_ berm at the refuse pile should show heavy rip rap to the 100 year flood line. The site inspection revealed water at the base of the refuse pile in whet has been descrlbeA as a 25 year flood. Alining Plan - Exhibit D What is the current estimate of the life of the miner Lhiat Is the best quantllativc estimate of the annual anount of shale, bone and ~~, coal processing refuse that you can provide? Please proveAe a complete rationale, design plan and unAernrounA m map of the new proposed ventllatlon shaft. Any pertinent eorrespon- dcncc with !iSilA and USSS should also be includrd. The use of the unidentified stockpile should be discussed in this sectlon if It is to reomin to your mining operation. •r ;_, Reclamation Plan - Exhlblt E} .- A reclamation plan or the ventllatlon shaft and face up, the access road, topsoil borrovm pit and coal storage area should be provided. A specific plan which includes topsoiling should he presented for the refuse pile. DurTnn the site Inspection I noteA fenced eotton- • wood 8rees. About half of them have survived should I assume that the cottonwood seedlings are in addition to these plantings? The proposed seed mixture is deficient in that no nitrogen fixing species Is provided. We recommmnd Htlk Vetbh, DTrds Foot Tree Foll or perhaps yellow swectclover. A combination of two of the above amounting to 1 lb/acre PLS would also be deslreable for critical areas (i.e. poor soil or climatic rondtbcbons) SCS recom enAs 40 seeds/sq foot if sends arc Arllled. Your mixture will provided 2~ seodslsq.f0ot On arras to be revegetnteA without sufficient top- soil (G-12") the proposed sending rate should be doubled. Reclamation Plan Maw Exhlblt F s map may have to be changed to reflect o different permit area. _2_ ,_',,:: ,,;,., ;:... II .. LL~ ~ '. ... .. a