hauling milk in NC in reefers with N&W reporting marks?

[NW Modeling List]

Dear Modelers,
 
I was analyzing my conductor wheel reports from 1934 for the Southern's Winst0n-Salem division to prepare for my presentation at the upcoming Middle Atlantic Railroad Prototype Modelers meet this September.  My presentation discusses building a model layout freight car fleet through "triangulation" of data sources (and "Cap'n" HF Snow's conductor's books from Jan-Oct, 1934 is one of the my most useful sources and the reason I'm modeling 1934 in North Carolina).
 
In the analysis, I examined the proportion of reporting marks by car type and learned some interesting things about the N&W freight cars around Greensboro and Winston-Salem (which you can hear about from me at the MARPM meet (see Home | MARPM | Mid-Atlantic RPM).
 
In looking at reefers I was surprised to see two reefers listed with N&W reporting marks making round trips between Winston-Salem Union Station and Pomona yard in Greensboro carrying milk waybilled to Greensboro and High Point, NC and returning empty to the N&W via Winston-Salem.
 
The two N&W reefers are numbered 7006 and 7008.
 
I'm curious to learn more about these.  Are they milk cars labeled as reefers by the Southern conductor?  Is there evidence of reefers with N&W reporting marks for 1934?   All I can find in the archives are photos of non-N&W reefers and some track plans for White House and PET milk facilities in Virginia and Union Dairy platform for the Illinois Terminal RR.
 
What can you tell me about this intriguing finding?  Did Cap'n Snow write down the wrong info multiple times?  Or were there reefers carrying milk lettered for the N&W in 1934?
 
If so, I might have to try my hand at modeling one some day!
 
Thanks,
 
Dave Bott
 
Here's a sneak preview of some interesting, if not totally surprising, N&W-related findings about N&W boxcars on the Southern trains (Gilbert-Nelson hypothesis doesn't apply to these trains):
 
 
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