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<br /> <br />EASTSIDE FINE <br />Subsidence Report <br />February 1981 <br />Extraction Limits <br />ip~ ' Yr ~ "za {' P~ ~ ~m n1 <br />PAL ~~ :,~- ~h..1 ~n~~ ; <br />FEQ 1; 1987 <br />f~iflvtD Lruv~., <br />RECLAMATION Df~v1S1ON <br />An updated map of Eastside Mine (,February 11, 1987) shows the {i~,nits of <br />extraction at the Eastside idine up to February 1987. ;1.e last ;ur•ve.y of <br />the subsidence point was conducted in February 1987. <br />Observed Subsidence <br />The data from previous surveys was tabulated, and the ~lifFerence; br.tween <br />the last survey and the original survey were ealcuioteu (see Taclc~ - <br />Monunrent 1 ). <br />The limits of mining preclude any subsidence occurrinn ~t any point exc~r~t. <br />Puint 1 (see updated Mine Map - February 11, 1987). ,"r; pillars are left. <br />in the area of Point 1, no subsidence has occurred at the preu nt tune. <br />Subsidr.n;;e is nut anticipated until pil'ar extraction commences. in the <br />future. <br />Pro,)ec~?d_vs Seconda~ F_ffects of Subsidence <br />No structures will be affected by subsidence frrnn Seam ~~~~::'. of Harvey <br />Gap. Due to the extent of mining and pillars beiny le*~ to support the <br />Drain entries neither structures nor aquifers have begin ~.rFfect~.~ i,y subsidence. <br />