THE MANUKAU-TAMAKI CANAL RESERVE.

New Zealand Graphic, Volume XL, Issue 1, 4 January 1908, Page 2

THE MANUKAU-TAMAKI CANAL RESERVE.

The distance through the Otahuhu Isthmus, is one thousand yards from high-water ini''" »»»»aißnUtb high water In the Tamaki. The highest point of the Isthmus is only 39ft. above high-water level. Six holes have been bored to a depth of more than 23ft. below high-water level, at inter s of 200.ynxi=, right across the Istbmus-JrrrSfr. J. E. Taylor. No. 4 hole, at the summit, was bored to a depth of 83ft„ or 44ft. 'below higji-water level. Mr. Tavlor has left a pipe in each hole with a piece of fencing wire inside it, which can be withdrawn fit any tune to prove the depth-- 1 ?" volcanic rock was met with all through, a soft sandstone being the hardest material. It was nearly all marine deposit, such as sand ,beach-mud pulverslsed shell and soft clay; as many as 36ft. wero bnrru In 2J hours This canal route reserved by the Government more than half a century ago, and has a minimum width of 132 ft. from the Manukau to the Tamaki. A canal here wmdd u“"te the Udal waters of the East and West Coasts, through which coastal shmpmw pass, thus saving a tremendous distance as compared with voyaging around the North Cape. It is proposed to maintain the canal at full Ude height, hr means of a Lock and Embank ment at the Mangere Bridge on the onu Bridge on the east of the Isthmus, for a distance of seven miles at least. Photographs are by Mr. Geo Wyman, of Mangere. s means ui a uoca auu t-muaua