2010-03-24_PERMIT FILE - M2010007 (2)

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(1) Please address the requirements of this subsection. Note requirements requested for 6.3.2(c). As requested elsewhere, please provide details of the 100 year flood plain as previously requested. A map showing the flood plain in relation to the proposed project, photos of the river area and any other available information will be helpful in the project evaluation. The applicant needs to clearly demonstrate that there is no potential for the Yampa River to capture the pit in a flooding event or provide engineered controls to prevent capture. DRMS will accept a signed evaluation report submitted by a certified hydrologist. (p) Please address the requirements of this subsection. 6 3 4 - Exhibit D. Reclamation Plan General Issues: • Please clarify what is referred to for submitted section D) N/A? Please refer to Rule 3.1.Reclamation Standards: Rule 3.1.6, Water General: As noted above in 6.3.2(c) Please provide details of the 100 year flood plain as previously requested. A map showing the flood plain in relation to the proposed project, photos of the river area and any other available information will be helpful in the project evaluation. The applicant needs to clearly demonstrate that there is no potential for the Yampa River to capture the pit in a flooding event or provide engineered controls to prevent capture. DRMS will accept a signed evaluation report submitted by a certified hydrologist. Rule 3.1.7 groundwater A well permit and discharge permits through the Division of Water Resources and Health Departments are being applied for. Per the submitted maps it appears the mining operation will impact the existing pond. Please clarify in the mining plan and on maps how Northwest will not affect the exisiting pond and water rights. Rule 3.1.9 (1), Topsoil: Please note that stockpiling within the 100 year flood plain of topsoil needs to be in an area least likely to be adversely affected in a flood event. The topsoil stockpiles need to be relocated away from the river side of the permit area or switched with the overburden piles. 6.3.5 - Exhibit E, Map (1) Mine Plan Map c) Please identify all mining related features as required. Exhibit E. Mine Map must reflect the edge of all excavations. Show the 35 foot buffer zone where materials are stockpiled along with the 15 foot buffer zone to the river, show dewatering ponds, and show how excavations will not compromise the exisiting pond. Additionally, topsoil stockpiling is not allowed within the 100 year flood plain where it has a potential to be directly affected in a flooding event. The topsoil stockpiles must be relocated.