Hannah Peterson – hydroGEOPHYSICS

2020 Jul 22 11:57am

In this image HGI engineer Hannah Peterson uses a EM-31 instrument. The instrument consists of a large sensor coupled with a GPS system - Image by Nigel Crook

EM-31 system being used to map a landfill along the coast. The sensor was walked in parallel lines with about 10 to 20 feet spacing in between.