Archeology and aerial archeology are dealing with the influence of underground objects and possible differences in electrical conductivity as one of possible causes on imaging of underground objects in the structure of grown field crops for decades before any crop circle mania started.
Akiolojia na akiolojia angani ni kukabiliana na ushawishi wa vitu chini ya ardhi na tofauti inawezekana katika conductivity umeme kama moja ya sababu za juu imaging ya vitu chini ya ardhi katika muundo wa mimea shambani kwa miongo kabla ya yeyote mzunguko wa mazao Mania kuanza.