Show 0 J TUNNEL BORE GOES OVER THE HUMPAl HUMpH HUMP Al Apex c cof of Tunnel Benched I Now Descending to West st Po Por- Por til tal Wafer tal-Wafer Water I After having haing a discouraging month due clue to very bad bath ground inthe inthe in inthe the headings headings' at t west portal the Moffat fat tunnel is again again getting back back to toUs its Us stride v 11 Pl progress g ess October bent showed the smallest Smallest J. J footage tho I year but ground now now is ing Another flow n w of or water vater into into the e tunnel tunnel imi- imi tun tun- nel bore bor on on n the east side de delayed progress slI slightly fitly last last- Friday and nd taxed the capacity of tIle the pumps By Dy Saturday morning the flow had vir virtually subsided and were making up for lost time The east portal water tunnel tunnel an and main heading are now al approximate approximately ly feet past the hump or tho the highest point of the the tunnel and are being dr driven dren en on a Slight own down grade gratIe toward the west portal The apex ape was reach reached d early last week This i iI I means le that when water Is is' is encountered it h has s to to be pumped up ip to the apex so it will flow out of the t in tinnel tun tunnel nel reel to the he east The Thc apex is slightly 1 nearer the east enst portal than it is to the west yest por por- tal Yet had the same character of ot ground been heen ji at the west as as V was S ca cast t llie tiie 1 hi big bid bOl bore would n now w be almost ready to hole through The cast east port portal l ha has been all the way the way in granite tine the west portal portal por por- tal all the way In il gneiss iss and gneiss neiss in places blocky and ground up Improved but hut still poor ground is still hampering workmen l on the westside west westside sf side and timbering is necessary Tunnel engineers have hae pointed out ont that o every tine time the the est west side bead beading head heading ing fag reaches a spot under a s stream or swamp bad rock rock- con conditions am 1 encountered ter d.- d. A short l time ago a ago o otil til tilt tine trie t tunnel was ris' ris being driven drI l 1 g o nf Uli r a swamp The lc lasi stream stream tre n of consequence consequence under h which life bore will pass on the tho we west t si siaR 1 Is a a branch of na Rai i l crook creek It t i U is approximately half liaH ti- ti f mile 1 1 t h 1 rd fl the will go l- l JoDO JQ l 10 o- o it fc t- t f. f j tOno Ono theory thor i t. t L i present bad conditions may b bb lu Iu j at Teas least in part p T t to seepage fro it r FaY cle creeK J h. h the theater ater water following ing the 51 slop P o of t ll tit l 3 hill hillas as as it percolates tes downward J Steamboat Pilot |