Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Helicopter-borne aeromagnetic, horizontal gradiometric, radiometric, and VLF-EM surveys covered a total of 7,117 line kilometers at 50-meter line spacing.
However, no follow-up electromagnetic ("EM") work was carried out over the radiometric anomaly beyond the VLF component of the historical airborne survey, which had a limited depth of investigation.