A core sample was collected using the "freezing drive shoe" technology
![A core sample was collected from the uppermost saturated portion of the sandy aquifer using the "freezing drive shoe" technology](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/as_team_core_sample_bemidji_1_crop_l_0.jpg?itok=XxcEiD6k)
Detailed Description
A core sample was collected from the uppermost saturated portion of the sandy aquifer using the "freezing drive shoe" technology developed by USGS scientists at the National Crude Oil Spill Fate and Natural Attenuation Research Site. The freezing drive shoe enables nearly complete core recovery from saturated, sandy aquifers.
Sources/Usage
Public Domain.