I have never seen any evidence.
http://espee.railfan.net/diesel_loco_index.html
http://www.rrpicturearchives.net/modelListRR.aspx?id=SP
"No soup for you!" - Yev Kassem (from Seinfeld)
Modeling BNSF and Milwaukee Road in SW Wisconsin
I have heard from some people that the Southern Pacific railroad might have owned some CF7s, and I wanted to know if this is correct or not.