Other maps too. Like USA_Canada_and_Mexico_975_7751 and USA_Canada_and_Mexico_975_7686 (both the same file USA_Canada_and_Mexico-100874.meta) and so also the same meta-code.
Further known examples with same *.meta-file:
Iberia_975_7748/7689 and other european Low-Level-maps.
In my oppinion the same maps since several years. Delete the cspeech-files in the High-Level or cspeech-files and /or cphoneme.dat in the Low-Level and you get the other map(s). Exception: The I-Phone-maps 975_7752 with her cphonmlh.dat instead cphoneme.dat.
Now activating of these maps much easier, no *.meta changing needed. TT is learning from the past