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Tank Stream, a fresh water tributary of Sydney Cove, located in New South Wales, Australia, was the fresh water supply for the fledgling colony of New South Wales in the late 18th century. Today it is little more than a storm water drain. It originated from a swamp to the west of present-day Hyde Park and at high tide entered Sydney Cove at what is now the intersection of Bridge and Pitt Streets in the Sydney central business district. The catchment was , corresponding roughly the size of the Sydney central business district. ==History== Excavations around Tank Stream have uncovered aboriginal flake stone artifacts made from water-worn pebbles. The stream gave the aborigines fresh water, fish and other resources. The area was chosen by First Fleet Captain Captain Arthur Phillip in 1788 as the location for the New South Wales colony for similar reasons. The colony had originally been planned for Botany Bay, on the recommendation of Sir Joseph Banks who had visited the area with Captain James Cook 17 years earlier, but when no fresh water was found there, Phillip sought a better site, and found it in the previously unvisited Port Jackson. Sydney Cove was chosen for settlement as it "was at the head of the cove, near the run of fresh water which stole silently along through a very thick wood". On 26 January 1788 the new colony was inaugurated. The Tank Stream rose in marshy ground roughly bounded by what is now Elizabeth, Market, Pitt and Park Streets. It filtered through the soil between Pitt and George Streets before forming a definite channel near King Street and flowing to Sydney Cove. During a drought in 1790 three storage tanks were constructed in the sandstone beside the Tank Stream and it is from these that the stream gets its name.〔(【引用サイトリンク】url=http://www.cityofsydney.nsw.gov.au/history/waterexhibition/WaterSupplySewerage/TheTankStream.html )〕 One of these was at the present intersection of Pitt and Spring Streets and the other two in Bond Street on the opposite side of the stream.〔 The Tank Stream could not meet the needs of the growing colony and, despite efforts by successive Governors, it became increasingly polluted by runoff from the settlement.〔 It was finally abandoned in 1826, though it had been little more than an open sewer for the preceding decade.〔 Sydney's next supply of water was Busby's Bore, in 1830.〔 In 1850 the swamp feeding the Tank Stream was drained. Starting in 1860, the Tank Stream was progressively covered and is now a storm water channel which is controlled by Sydney Water. Recently there have been calls from some to see it run above ground again to create a central feature in the city.〔http://www.dhub.org/object/9720,sydne〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tank Stream」の詳細全文を読む スポンサード リンク
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