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Western District (Victoria)

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The principal centres of the district are: Warrnambool, Hamilton, Colac, Portland, Casterton, Port Fairy, Camperdown, and Terang. Other cities and towns in or on the edge of the district include: Coleraine, Merino, Heywood, Dunkeld, Penshurst, Macarthur, Koroit, Allansford, Ararat, Willaura, Beaufort, Learmonth, Ballarat, Snake Valley, Skipton, Moyston, Linton, Derrinallum, Lismore, Mortlake, Noorat, Cobden, Timboon, Beeac, Cororooke, Birregurra, Apollo Bay, and Lorne.

Geology

It consists of a nearly flat volcanic plain created by a number of quite recently active volcanoes, the best known being Mount Eccles, Mount Richmond and Mount Gambier. Whilst some of them (e.g. Mount Richmond) have given rise to cemented pyroclastic rocks that do not produce fertile soils, others have given rise to fertile andisols that make the district the best grazing land in Australia, as well as highly suitable for the production of vegetable crops. Away from the volcanoes, soils are of moderate to low fertility and many are sandy, supporting heathland flora like the Grampians. Drainage is very poor and most rivers flow only after prolonged periods of steady rain, resulting in remarkably variable flow when the low variability of the climate is taken into account. The major mountain range is the Otway Ranges, which straddle the boundary between the Western District and Port Phillip District.

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