Based on one I found on Neil Darling’s site.
hook - BVFT Dry #10
thread - Danville 6/0 brown
tail - hen badger
rib #1 (counter) - pheasant tail
rib #2 - small wire gold
body - Krystal Flash Rootbeer
hackle - hen badger
Regards,
Scott
Wow, I really like that! Beautifully done, Scott! 
Looks like a killer fly, Scott.
Chuck
Thanks, all. The hackle on this one is a bit long for a traditional Cruncher but I liked how it looked.
Regards,
Scott