
@tofar1 I agree with @knightd73 geophysical survey.
Ag dept using it to find stuff like water.
I have attached Web link, that should send a pin to one of my farms, I'm looking for underground fresh water held up by dykes
#13.369452417335413/-32.914943/116.742385" target="_blank" rel="nofollow noopener">dpird-dma.github.io/GeoMap/#13.369…
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