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Cross Mine(M1977-410) Technical Revision No.5 <br /> 1! '1 ,, <br /> fi+ 4 4 <br /> _ ,.t r. t . <br /> Crown Hole <br /> Shotcrete Facing—N. - • <br /> Collapse Void r "` <br /> / 4 <br /> 3"x 8" <br /> Douglas Fir Lagging <br /> (Crown and Ribs) <br /> 7 IN ii <br /> TA <br /> W6 x 28 Wide-Flange `0: V"`' 13 f <br /> Steel Beam � ?- 5r . <br /> Mine <br /> Pool <br /> Steel Sets @ 4 ft C-C <br /> E Double 8"x 8"Wood Sets @ 3 ft C-C <br /> W6 x 28 Wide-Flange Fully Lagged and Cribbed <br /> Steel Post <br /> J3 <br /> (Approximate Scale 1 in=5 ft) <br /> i <br /> Project <br /> 3 N Cross Mine Technical Revision No.5 <br /> Title0. <br /> Section A-A' <br /> Z Longitudinal Profile Sketch <br /> g of the Idaho Tunnel Collapse <br /> 3 <br /> Yj; p p Project No. US 0401 File No. <br /> G RAND BLAND GIS JST 042420 Scale As Shown !Rev 0 <br /> U 1 RESOURCES Check: JST 042420 <br /> Review JST 042420 Figure 4 <br /> Is <br /> 14 <br />