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BP
before present
Artifact
object made or changed by people
Debitage
waste left over from flaking process
In situ
in original place
Sherd
piece of pottery
Shard
piece of glass
Stratigraphy
layers of an archaeological site
GIS
Geographical Information System
Biface
tool used on both sides
Lithic
relating to stone
BP
Before present (present=1950)
BC
Before Christ
BCE
Before common era
AD
Anno Domini=in the year of our lord jesus christ
CE
Common era
