Ground conductivity measurements at selected National Wildlife Refuges: Beaver Lake, North Dakota, 2018

Shallow subsurface electrical conductivity was mapped at Beaver Lake National Wildlife Refuge (NWR) in northwest North Dakota using the DUALEM421 electromagnetic...针对北达科他州西北部比弗湖国家野生动物保护区（National Wildlife Refuge，缩写NWR）内的浅层地下电导率，研究人员使用DUALEM421型电磁设备开展了测绘工作。