Studying how the ground looks, usually with technology. See 'Some Notes on Archaeology'.
Geophysical Surveying
Fact of the Day
When the computer mouse was first mentioned in a publication in 1965, it was called an 'x-y position indicator'.
Quote of the Day
"I never saw, heard, nor read, that the clergy were beloved in any nation where Christianity was the religion of the country. Nothing can render them popular, but some degree of persecution.
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~ Jonathan Swift