Portal:United States/Did you know/23

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Howard A. Hanson Dam

... that completion of the Howard A. Hanson Dam (pictured) in 1961 ended a 70-year era of flooding in the Green River Valley, and by 1996, the dam had prevented an estimated US$694 million in flood damages?
...that
...that

Source

Wikipedia:Recent additions/2010/January, Monthly archive of Main Page appearance.
[[Wikipedia:Recent additions/<YEAR>/<MONTH>]], Monthly archive of Main Page appearance.
[[Wikipedia:Recent additions/<YEAR>/<MONTH>]], Monthly archive of Main Page appearance.

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