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SURFACE <br /> FILL <br /> <br /> <br />l <br />:O •; <br />CONCRETE PLUG . <br />` <br /> <br />t <br />' 1. Hole must be backfilled with as many <br /> - cuttings as possible. All remaining cuttings <br /> . must be dispersed evenly over the surrounding <br /> surface. ' <br /> <br /> 2._ Hale must be blocked to s death of five (5) <br /> ' feet below collar with a short hole plug. If <br /> water is encountered in the drill hole, a concrate <br /> CONCRETE plug must be set below ground three (3) feet <br /> The upper three (3) feet of the hole is then ' <br /> <br />,:. ?... <br />WA'T'ER AQUIRER frilled with cuttings and sot <br /> <br /> 3. All water bearing zones will be concreted if' <br /> CONCRETE a well is not developed. If coal seams are <br /> encountered, they must be concreted. <br /> . 4. All sump holes used during drilling must be <br /> drained and backfilled. <br /> The site around the hole must be cleaned u <br /> p <br />and surplus cuttings leveled. Seeding of disturbed <br /> . area may be required. <br />"CONCRETE PLUG <br />l: \\\ <br />• COAL ZONE <br />i <br />?.' '• tc! <br />ABANDONMENT OF SHALLOW ORILL HOLES <br />NORTHERN ROCKY MOUNTAIN REGION <br />•. <br />