Ground conductivity measurements at selected National Wildlife Refuges: Lindell, North Dakota, 2018
Shallow subsurface electrical conductivity was mapped at Lindell National Wildlife Refuge (NWR) in northwest North Dakota using the DUALEM421 electromagnetic sensor (Dualem, Inc., ON, Canada) in the winter of 2018. Data were acquired by towing the DUALEM421 sensor on a sled behind an all-terrain vehicle or snow …