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III. COMMENTS -COMPLIANCE Below are comments on the inspection. The comments include discussion of observations made during the inspection. Comments also describe any enforcement actions taken during the inspection and the facts or evidence supporting the enforcement action. There has been collapse at the airshaft located to the north of the upper portals (NW Ya NW Ya Sec 35, T7N, R89W). This feature was approximately 30 feet long, 15 feet wide, and 10 feet deep when last visited. There are also subsidence features on the coal seam midway between the airshaft and upper portals. These items have been referred to AML. Items of concern from previous inspections: None. This report is based on an aerial inspection of January 8, 2002. Mr. Harry Ranney, Environmental Protection Specialist (EPS) of the Division, made the flight and took Photographs 46-02-01-08-1 (1), 46-02-01-08-2 (2), and 46-02-01-08-3 (3). The subsidence features mentioned above do not appear in any of the photographs This report is compiled by Byron G. Walker, EPS, based on an oral debriefing of Mr. Harry Ranney and a review of the photographs taken by Mr. Ranney, Mr. Ranney stated that he saw no problems at the site. The Photographs are on file at the Division. Comments are necessarily limited to the scale and detail of the photographs. All areas of the site except for the subsidence features mentioned above are best seen on Photograph 46-02-01-08-1. All features appear to be in good shape. The clean-water interceptor ditch is shown across the north. The portal pad is covered with snow. The removed crib wall area looks stable. The backfill over the collapse portion of the lower air shaft appears to be in good shape. The sedimentation pond contains snow, and looks in good shape. Photograph 46-02-01-8-2 is a closer view of the reclaimed lower air shaft portal. Photograph 46-02-01-8-3 is taken at a higher altitude and is near vertical. The entire site is well covered except for the areas of collapse mentioned above. The trail in the upper right hand corner of the photograph leads to the collapsed air shaft mentioned above. One of the minor collapse features is also visible in this photograph. HYDROLOGIC BALANCE The interceptor ditch contains snow as is the diversion ditch above the reclaimed cribwall. The sedimentation pond contains snow. There is no surface flow visible in the photographs. SUBSIDENCE See the introductory remarks concerning items of interest above. RECLAMATION SUCCESS There does not appear to be any erosion of reclamation work (reclamation of the crib wall or the backfill over the lower air intake portal). Page -3 of _4_ Pages, (date) _t4 Jan 2002 (initials) +4.i-