excavation (
http://definr.com/excavation)
n 1: the act of digging; "there's an interesting excavation going
on near Princeton" [syn:
digging,
dig]
2: the site of an archeological exploration; "they set up camp
next to the dig" [syn:
dig]
3: a hole in the ground made by excavating [syn: {hole in the
ground}]
4: the act of extracting ores or coal etc from the earth [syn:
mining]