Any cell site engineers out there? Where are sites BLTM2 and WB443 located?

These sites show up in the call log, but aren't on the tower map that I can find.

January 12:

• 5| # + Adnan cell |9:32 PM |0:28 |BLTM2

• 6| incoming |9:32 PM |0:28 |WB443

January 13:

• 18| # + Adnan cell |5:14 PM |1:07 |BLTM2

• 19| incoming |5:14 PM |1:07 |WB443