Engine Plant "C" Location?

[Belvedere13]

Just wondering which plant was "C" as indicated on a 440 cast 10/31/69 as stamped on the Oil Pan Rail. (2C101487). 1972 Build? TIA.

 

[R/T Boy 67]

• C is the Jefferson MI. plant. It is the assembly plant not the engine plant. The car was a 1972 model

 

[33 IMP]

Fairly early 72 big car build.

 

[Belvedere13]

• C is the Jefferson MI. plant. It is the assembly plant not the engine plant. The car was a 1972 model

Thank you very much!