Minnesota Public Radio slideshow:
Wind power is another cash crop
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Wind power, old and new. Windmills were the main source of electricity for farms until the 1930s. Now, high-tech wind turbines are springing up across the Minnesota countryside, producing electricity for farmers and for commercial sale. (MPR Photo/Mark Steil)

Wind power, old and new. Windmills were the main source of electricity for farms until the 1930s. Now, high-tech wind turbines are springing up across the Minnesota countryside, producing electricity for farmers and for commercial sale.

(MPR Photo/Mark Steil)
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