http://www.portlandtribune.com/ has been crawled 822 times going all the way back to February 1, 2001.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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January 12, 2013

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January 13, 2013

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January 16, 2013

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January 21, 2013

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January 31, 2013

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February 6, 2013

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February 21, 2013

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March 8, 2013

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March 12, 2013

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March 28, 2013

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March 29, 2013

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March 30, 2013

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March 31, 2013

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Apr

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May
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Nov
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Note

This calendar view maps the number of times http://www.portlandtribune.com/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.