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. <br />~' Continued -TABLE OF CONTENTS <br /> TITLE VOLUME PAGE <br /> 816.55 Hydrologic balance: Discharge of water into an <br /> underground mine. 2 816-80 <br /> 816.56 Hydrologic balance: Post mining rehabilitation of <br /> sedimentation ponds, diversions, impoundments and <br /> treatment facilities. 2 816-82 <br /> 816.57 Hydrologic balance: Stream buffer zones. 2 816-82 <br /> 816.59 Coal recovery 2 816-84 <br /> 816.61 Use of explosives: General requirements. 2 816-85 <br /> 816.62 Use of explosives: Pre-blasting survey 2 816-86 <br /> 816.64 Use of explosives: Public notice of blasting <br /> schedule. 2 816-86 <br /> 816.65 Use of explosives: Surface blasting. 2 816-91 <br /> 816.67 Use of explosives: Seismograph measurements. 2 816-100 <br />•~ 816.68 Use of explosives: Records of blasting <br /> operations. 2 616-101 <br /> 816.71 Disposal of excess spoil: General requirements 2 816-103 <br /> 816.72 Disposal of excess spoil: Valley fills 2 616-103 <br /> 816.73 Disposal of excess spoil: Head-of-hollow fills 2 816-103 <br /> 816.74 Disposal of excess spoil: Durable rock fills 2 616-103 <br /> 816.79 Protection of underground mining. 2 916-103 <br /> 816.81 Coal processing waste banks: General <br /> requirements. 2 616-104 <br /> 816.82 Coal processing waste banks: Site inspection 2 816-104 <br /> 816.83 Coal processing waste banks: lJater control <br /> measures. 2 816-104 <br /> 816.85 Coal processing waste banks: Construction <br /> requirements. 2 816-104 <br /> 816.86 Coal processing waste: Burning 2 816-104 <br />J <br />• <br /> vii <br />