Mementos for http://www.bpa.gov/Power/pl/columbia/4-geology.htm around 2009-01-20: http://mementoweb.org/list/20090120153514/http://www.bpa.gov/Power/pl/columbia/4-geology.htm #memento -

https://web.archive.org/web/20090120153514/http://www.bpa.gov:80/Power/pl/columbia/4-geology.htm

20 Jan 2009 15:35:14 GMT [ <1 hour from requested date ]

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First Memento 09 Sep 1999 05:28:58 GMT [ −9 years 136 days ]	Last Memento 26 Dec 2024 00:12:35 GMT [ +15 years 343 days ]

http://wayback.archive-it.org/all/20070808232026/http://www.bpa.gov/Power/pl/columbia/4-geology.htm

08 Aug 2007 23:20:26 GMT [ −1 year 165 days from requested date ]

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http://archive.md/20121212014253/http://www.bpa.gov/Power/pl/columbia/4-geology.htm

12 Dec 2012 01:42:53 GMT [ +3 years 326 days from requested date ]

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