OCR Text |
Show Catchment for Rain Water. Sn tho eastern sldo of tho rock of Gibraltar thcro 13 11 curious-looking white patch Nvhlch recently led nn American tour! it to - vlicac the rod. w lid -; n't. ,'stnd It is rcKllj a c.tctnui r.. iln vi't- to Inckeasu ,iho ,uicrvo water on tho rock. The catchment tovcrs 10 acres. It Is mad rt ga'lvanlred corrugated Ifan IImmI lo plle tirlen deep Into tho sandy sli.ui above Iho ll!ago of Cnti'lnn. The water collected at the foot of tlu eiuhjnont runs through the rock Into a tunnel 2,000 feet long nnd Is dcllvMoI Into 'reservoirs qn the wcEtrn side. Tho yield to each Inch of ral-fnll U 210.000 gallons. |