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1 r . <br />Exhibit L <br />Blasting-Gverburden <br />explosive ;iaterial- Ai~1PU <br />;-Tole Diameter- 3 inches <br />.:sole Stemming- ~ feet <br />Powder Column- 6 feet <br />Pounds of Powder Per hole 10.9 <br />Hole Depth 10 feet <br />Drilling Pattern 10 ft. x 10 ft. <br />Blastin-Coal <br />Explosi•re rlaterial- AIJ1'0 <br />{ole lliameter- 3 incises <br />;Tole Stemming- 4.5 feet <br />Powder Column- 1.5 feet <br />Pounds of Powder Per ;-Tole 3.9 <br />hole depth 6 feet <br />Drilling Pattern 6 ft. x 6 ft, <br />cal. Poa~der Column <br />Primer <br />COAL <br />Stemming y' Stemming <br />6~ <br />AIdFO Primer I AfdPO <br />1 0:'1;R13UItDl;fd <br />