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13 June 2018 C-1994082 Yoast Mine RAR <br />MAINTENANCE ITEMS: Culverts <br />Culvert with cattails at inlet end should be monitored and cleared before snowfall. <br />INSPECTION.- <br />GENERAL <br />NSPECTION:GENERAL MINE PLAN COMPLIANCE: <br />Main haul roads and access roads were dry. No offsite air quality issues or hydrologic impacts were <br />observed at the time of inspection. Reclamation and vegetation appeared in good condition. <br />Vegetation was well established and vigorous. No expanses of bare areas or significant weed <br />infestations were noted at time of inspection. <br />SIGNS and MARKERS — Rule 4.02 <br />o Topsoil stockpiles observed were for the most part marked with identifying signs. <br />o The mine site identification signs observed were intact, displaying all required information: <br />mine name, operator name, address, phone number, DRMS permit number and contact <br />information (photo 2). <br />o Permit boundary markers were noted along road and perimeters and found, with a couple of <br />exceptions, to be visible and in good repair. <br />ROADS Rule 4.03 <br />Construction 4.03.1(3), 4.03.2(3); Drainage 4.03.1(4), 4.03.2(4); Surfacing and Maintenance <br />4.03.1(5) and (6) 4.03.2(5) and (6). <br />o Roads in and around the facilities appeared in good condition and functioning adequately. <br />o No fugitive dust was noted. <br />o No rutted areas or standing water were noted. <br />HYDROLOGIC BALANCE- Rule 4.05 <br />General Requirements 4.05.1; Effluent Standards 4.05.2; Divergence and Conveyance of Overland <br />Flow 4.05.3; Diversions 4.05.4; Sediment Control Measures 4.05.5, 4.05.6; Discharge Structures <br />4.05.7; Impoundments 4.05.9; Ground Water Monitoring 4.05.13; Underground Mine Entry 4.05.10; <br />Surface and Ground Water Monitoring 4.05.13; Stream Buffer Zones 4.05.18: <br />The following ponds were visited: Pond 9, Pond 10, 12, 14, and the following drainages were walked of <br />observed: <br />YPM11, YPM15, YPM1-2, YPM3-1, YPM5-1, YPM8, and YPM3-2. Unless otherwise noted pond <br />banks and drainage ways appeared stable and well vegetated at the time of inspection. <br />o Pond 9 was not discharging. <br />o Pond 12 was discharging clear water. <br />o Pond 14 was not discharging. This pond remains in phase I reclamaiton due to slide above. <br />o Reconstructed drainages appeared armored and stable, unless otherwise noted. <br />o YPM 3-2 was well armored no issues were noted at the time of inspection. <br />3 <br />Number of Partial Inspections this Fiscal Year: 8 <br />Number of Complete Inspections this Fiscal Year: 4 <br />