DescriptionPlaque commemorating George Goyder's line of rainfall, South Australia.jpg
English: Plaque commemorating George Goyder's line of rainfall, South Australia, beyond which he considered rainfall to be generally too variable to support agriculture. Goyder, who was the state's surveyor-general, determined the boundary referring to documents in his office followed by observation of vegetation during a horse-mounted expedition for the purpose in 1865. His judgement was scorned when a few years of abundant rains occurred, but eventually proved to have been realistic.
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Plaque commemorating George Goyder's line of rainfall, South Australia