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<br /> <br /> <br />Main Drift Entries <br /> <br /> zs <br />- <br /> <br /> <br />~ <br />Ci a <br />~ t r <br />V <br />D <br /> <br /> <br />a :.r ~. <br />r: <br />' ~'::Y::: <br /> <br />...::.:'.::::'., . <br /> <br />:'~::.~':: i:::~ :'.: <br /> <br />~::: ':'.:::: ' ::::. <br />':,S <br />.::..::.'. <br /> a <br /> 0 <br /> 0 <br /> <br /> <br />o <br />o <br />a :;.. <br />o ~: <br />o <br /> <br />0 <br />0 Cros s Entries <br />~ ~ <br />0 <br />0 <br /> <br /> 0 ~ ~ ~ 0 ~ ~ 0 <br /> <br /> <br /> <br /> .:.. <br />z:!: r:: <br /> <br />':''n.fed': <br /> <br />s ......... <br /> ~... <br />_i3 ~ 0 Pi110 ~ 0 C <br /> <br /> o <br /> <br /> <br />ROOM and PILLAR METHOD OF MINING <br />(PLAN VIEM~ <br /> <br />FIGURE D-2 <br />