Big Visible Chert

'Not to be confused with BigVisibleChart.'

This is a BigVisibleChart:

...from http://www.bigvisiblecharts.com/blog/2004/03/who_have_you_paired_with.html''

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This' is Big Visible Chert':

...from http://clasticdetritus.com/2008/02/01/friday-field-foto-40-chert-from-the-franciscan-subduction-complex/''

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Also not to be confused with a BigVisibleShart.

Or a BigVisibleCart.

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CategoryHumor