| http://www.w3.org/ns/prov#value | - The digging equipment was only two meters away from mysterious stone cairns that dated to at least 5000 B.C. when the archeologists intervened to have the construction project temporarily halted.This was followed by an intensive month-long campaign to survey and map what remained of the site, to collect all of the pottery, flint tools and other artifacts, and then excavate the two cairns.
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