ground-penetrating radar

Drilling through glacial till at Hubbard Brook

Today we drilled 5.5 meters through glacial till and didn’t hit bedrock.  What a blast!  It was our first experience with our new Shaw Drill, and even though it rained, we drilled all day long.  We selected a location along a ground-penetrating radar (GPR) transect we surveyed last March.  The GPR survey suggested that we …

Drilling through glacial till at Hubbard Brook Read More »