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Colowyo Coal Company <br />2018 Annual Reclamation and Hydrology Report <br />SECTION 6 - DRILL HOLE LOCATIONS <br />RULE REQUIREMENT <br />Rule 2.04.13(2) the Permittee may provide additional monitoring information as required <br />by the approved permit. <br />GENERAL DISCUSSION <br />All drill holes drilled inside the pit during the report year will be reported in the annual <br />reclamation report. All drill holes will be surveyed for x, y, z coordinates after being <br />drilled. Unless a drill hole was permitted to be backfilled and plugged, drill holes will be <br />left open to depth since they will be mined through during the course of normal pit <br />mining activities. A rock is placed on the top of all open drill holes to prevent <br />tripping/falling hazard for persons or animals until mining occurs through the open hole. <br />In 2018, Colowyo did not conduct any drilling within the pits. <br />Page 32 <br />