Show J Drains Draim s of A car cartful careful ful sur c of underground J water muter courses in the the carboniferous IOUS tract I limestone hUlstone region u-gion 0 of r Yorkshire England d has has' ic rc the fact that r there its exists in Iii that country an ext exten extents n. n 1 I ts sl e live e system s s 0 of f subterranean streams m r man nian many manof of which Issue miles from the point pointy points called sinks UnUs s hero the wa N I ter tet islets h is drained from the sUlfa surface e enters enters the 10 locks rocles s. s Similar phenomena l In hi other putts of th the world not yet yet et l' l leu so eu carefully hl investigated occur o on a spuds much larger Iu bei 5 Scale ale and bud recent studies of ot the ocean Jeun bottom near the borders holders of ot continents ha e shor shown sho n that rivets rivers of considerable size sometimes enter I the se sea beneath th the surface |