From Geo Hashing
- 2009-04-11, Williamsburg, KY - Attempted rappel hash.
- 2009-03-20, Cleveland, TN - Easy hash on the way home from work.
- 2008-11-28, Knoxville, TN - At dusk in the Great Smoky Mountains National Park.
- 2008-09-21, Chattanooga, TN - Too uninteresting to write up, at the time.
- 2008-09-04, Cleveland, TN - Found fossils behind an office building with Involute.
 Disambiguation notice
I am NOT the person using the handle "Null_Hypothesis" over at Pharyngula. (poser)