Increment borer: inserting the extractor tray.
Using an increment borer to take a core sample from a tree. In this photo, the extractor tray (core extractor) is inserted into the shaft of the borer.
Size: 5020px × 3347px
Location: Massachusetts, United States
Photo credit: © Custom Life Science Images / Alamy / Afripics
License: Licensed
Model Released: Yes
Keywords: age, auger, augers, borer, core, dendrochronology, extractor, forester, forestry, increment, islc, rings, tool, tools, tray, tree, trees