Grand Haven, city (1990 pop. 11,951), seat of Ottawa co., SW Mich., at the mouth of the Grand River; inc. 1867. It is a port on Lake Michigan that ships sand and gravel. Grand Haven manufactures fabricated-metal and paper products. The city, with its state park (noted for its "singing sand," which emits a whistling sound when walked on), is also a popular resort.
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