Airborne geophysical survey: Firth HEM data

This report is a digital data release for a helicopter electromagnetic and magnetic survey that was conducted during March 2007 in three 93-square-kilometer...本报告为一项直升机电磁与磁法测量项目的数字化数据发布成果，该项目于2007年3月在三块93平方千米的区域内开展……