Unknown fuzzy yarn, likely acrylic, variegated green-purple-black.

Top: 7 rows dc worked in rounds.

Side: 1 row dc worked behind the post. 7 rows dc. 1 row sc.

Decoration: sc looping around as vines, plus a leaf on the top.
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Submitted for Nerd Wars March 2014 Discovery challenge I Dig Geology here.
Team badge for the challenge here.