2012-10-11_INSPECTION - C1984065

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Mine Site Inspection Mine Name: Coal Ridge No. 1 Mine Permittee: C. B. Minerals, LLC Permit ID #: C- 1984 -065 Inspection Date: September 11, 2012 12:00 — 1:30 Inspection Type: Joint Complete Oversight Weather Conditions: Overcast, 60's Participants: Christine Belka, Office of Surface Mining Reclamation and Enforcement (OSM) #182 Jim Stark, Colorado Division of Reclamation, Mining, and Safety (DRMS) Zack Trujillo, DRMS This was a joint complete oversight inspection. C. B. Minerals representatives did not accompany us on the inspection. Coal Ridge is a reclaimed underground coal mine. The site has been Phase II bond released and is currently in its revegetation responsibility period. Topsoil: Topsoil stockpiles are stable and well- vegetated with the exception of a small recently disturbed area. Topsoil was removed from the long -term stockpile on the western edge of the permit area to reclaim an unapproved ditch constructed southeast of the sediment pond (abatement of Notice of Violation CV- 2012 -005, issued 6/26/2012). The disturbed portion of the stockpile needs to be reseeded in accordance with Rule 4.06.3(2)(a)(i). Reclamation Success: The unapproved 150' ditch and equipment path around the sediment pond have been reclaimed but vegetation has not yet been established. Both reclaimed portal areas are stable and well vegetated with no signs of instability. All drainage channels are in good condition. Recent work around culvert C5 looks good, but piled some material around the culvert outlet. The material does not block the opening and will likely be flushed into the pond when water enters the culvert. No problems were noted with the reclamation at this site. All areas are currently stable and no erosion was noted. Hydrology: The sediment pond and diversion channels were dry during this inspection. The drainage control structures appear to function as designed. All channels and pond embankments are stable and well vegetated. Roads: The road to the old explosive storage area is in good condition. No problems were noted. Records Check: The following records were evaluated at the Garfield County Courthouse in Glenwood Springs: DRMS permit #C- 1984 -065 (10/9/2011, expires 2016), 2009 Midterm review (4/1/2009), impoundment annual inspections (conducted 3/23/2012, P.E. stamped 4/11/2012), liability insurance (7/23/2012, expires 2013), performance bond documents, recent inspection reports and Notice of Violation. No compliance issues were noted and no enforcement actions were taken as a result of this inspection.