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APP. II-B-6 <br />Structures <br />Office, lamphouse <br />& hoist <br />Storage facilities <br />Oil storage <br />Rock dust storage <br />Water storage <br />7200 volt <br />switchgear <br />N0.4 PORTAL AREA <br />Concrete/metal 76x90 1969 <br />Metal shed 12x24 1969 <br />Steel bins 13x32 1970 <br />Steel tank 14x30 1970 <br />Metal shed 10x18 1969 <br />N0.5 PORTAL AREA <br /> Structures <br /> Lamphouse Concrete/cinderblock <br /> Metal roof 31x71 1975 <br /> Ventilation <br /> Compressor house Cinderblock 15x15 1975 <br /> Fan house # 11 <br /> Storage facilities <br /> Oil storage Concrete/ <br /> cinderblock 10x13 1975 <br /> Rock dust storage <br /> 100 Ton Steel bin 13x32 1975 <br /> Adit/Rock Tunnel Portal Area, <br /> Water storage Steel tank 13x25 1979 <br /> <br /> 4 .. <br /> <br />