Mementos for http://www.bpa.gov/Power/pl/columbia/4-geology.htm around 2009-05-11: http://mementoweb.org/list/20090511223053/http://www.bpa.gov/Power/pl/columbia/4-geology.htm #memento -

Mementos closest to the requested date 11 May 2009 22:30:53 GMT

https://web.archive.org/web/20090511223053/http://www.bpa.gov/Power/pl/columbia/4-geology.htm

11 May 2009 22:30:53 GMT [ <1 hour from requested date ]

Previous Memento 20 Jan 2009 15:35:14 GMT [ −111 days ]	Next Memento 13 Aug 2009 09:19:26 GMT [ +93 days ]
First Memento 09 Sep 1999 05:28:58 GMT [ −9 years 247 days ]	Last Memento 26 Dec 2024 00:12:35 GMT [ +15 years 232 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 276 days from requested date ]

Previous Memento 01 Aug 2007 23:47:03 GMT [ −1 year 283 days ]	Next Memento data not provided
First Memento data not provided	Last Memento 08 Aug 2007 23:20:26 GMT [ −1 year 276 days ]