A plains cottonwood, and increment borer used to collect 1 cm core
![A plains cottonwood, with increment borer used to collect a 1 cm core, and a paper straw used to transport it](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/cottonwood_increment%20borer_Derek%20Schook..jpg?itok=gGzBGmn7)
Detailed Description
A plains cottonwood, the increment borer used to collect a core 1 cm in diameter, the core, and a paper straw used to transport the core. Photo by Derek Schook.