Water in New Zealand and are of varying types and origins. Many of the lakes in the central North Island area are volcanic crater lakes, while the majority of the lakes near the Southern Alps were carved by glaciers. Hydroelectric reservoirs are common in South Canterbury, Central Otago and along the Waikato River. Over 180,000 kilometres of rivers has been mapped in New Zealand, the longest being the Waikato River with a length of 425 kilometres and the largest river by volume is the Clutha River with a mean discharge of 533 cubic metres per second. New Zealand has many notable waterfalls, some of
Blackball, New Zealand Blackball, New Zealand Blackball is a small town on the West Coast of the South Island of New Zealand, approximately 29 km from Greymouth. The town was named after the Black Ball Shipping Line, which leased land in the area to mine for coal. Blackball is a centre of New Zealand radicalism and workers' militancy. It is credited as the birthplace of the New Zealand Labour Party, which followed the 1908 miners 'cribtime' strike, at ten weeks the longest in New Zealand history. In the 1913 Great Strike, Blackball miners were the last to return to work, in 1914. During