Then using this pattern:
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I ran thatch again, setting the result to 30% multiply as well:
Click image for larger version. 

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And a third time with this pattern:
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With one last run of thatch, with the result to 30% multiply:
Click image for larger version. 

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ID:	10222

I think by tweaking the patterns, possibly making them more turbulent or noisier, I could even get closer.

-Rob A>