What locomotives did the B&O use on short locals in the 70s - 90s

[AstroKnight187]

I already asked this question with conrail, but I would like to know the same with chessie

 

[dave1905]

4 axle engines. GP7, GP9, GP30, GP35, GP38, GP40.

 

[AstroKnight187]

4 axle engines. GP7, GP9, GP30, GP35, GP38, GP40.

Thanks