[PRCo] South Side Car House

[Lattner, Raymond]

Hello, I came across this picture of what I think maybe PRCo 30th street Car House or Power House. Can any of you verify what this Building is? Also, does anyone have a 1940ish track plan for this car house or route 50 loop. 

http://images.library.pitt.edu/cgi-bin/i/image/image-idx?sid=71176c9eec80a24f0e57e47778387335;xc=1;g=imls;q1=furnace;rgn1=ic_all;size=20;lasttype=boolean;view=entry;lastview=thumbnail;subview=detail;cc=accd;entryid=x-msp285.b013.f29.i01;viewid=ACCD2572.TIF;start=1;resnum=2

Key words: South Side before Jones & Laughlin Expansion

Thanks

Ray