Robert's Ramblings

What a marvellous piece of engineering is the humble windmill.

Distributed throughout the Gillman wetlands is a system of underground interception drains with good old fashion windmills. These windmills pump hyper-saline ground water to the surface allowing a freshwater lens to develop below.

And all this time I had thought they were there just to supply surface water for the bird life.

Reference: https://renewalsa.sa.gov.au/wp-content/uploads/2016/11/Stage-1-Risk-Assessment-Report-Vol-1.pdf

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