I take a sample to determine the age of a pinyon pine tree. Increment borer: https://en.wikipedia.org/wiki/Increment_borer team trees: https://teamtrees.org/ Help me make videos by donating here: https://www.patreon.com/CodysLab Follow me on Facebook: https://www.facebook.com/codydonreeder SubReddit: https://www.reddit.com/r/codyslab/ Twitter: https://twitter.com/CodysLab