All that power . . . it makes foam, like on the mouth of a horse or draft ox overexerting itself, or

 

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like below the mill race, or

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a very localized storm

 

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like natural ones that generate sea foam, which supernaturally produced Venus a la Bottecelli. Viva la spuma!

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I wonder how much mud moves around when thousands of horsepower spin the wheels in in shallow water.

Now see all mirror & no foam around the tugs over at Biffle’s Pacific northwest site. Wow!

Tugs top to bottom: Juliet Reinauer, McAllister Responder, Patricia Ann, and Nathan E. Stewart

Fotos: Will Van Dorp