2021-06-172021-06-172019http://hdl.handle.net/10919/103896This is the Fall 2019 issue of The TECHtonic, the newsletter for the Dept. of Geosciences.en-USIn CopyrightPeriodicalhttps://geos.vt.edu/content/dam/geos_vt_edu/newsletter/TECHtonic_Fall2019_Jan2020_Final.optimized.pdf