NS had 31 early C36-7s that looked an awful lot like C30-7s, and a dozen late C36-7s with the 'lumpier' look that would be more characteristic of the C40 and later models.
A NS C36-7 along with a SD50 lead a northbound near Tallapoosa.
NS Northbound Freight Train at Cordele, Ga. with a C36-7 leading an SD60