The 2018 GSSI Photo Contest is here! Submit your favorite GPR photos now- and don't forget to share your link with friends, family, and colleagues! #GPR #GeoRadar #RADARlove https://www.geophysical.com/2018-photo-contest … pic.twitter.com/7lI6CVsJTh
source https://twitter.com/GSSI_GPR/status/1029826361941213186
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