GM&O/ICG Mechanical Refrigerator cars?

[gopherstate]

Did the GM&O or the ICG own or use any mechanical refrigerator cars buring the 1970's?  I read somewhere that Morrell Packing in Sioux Falls SD loaded GM&O/ICG reefers during the 1978 to 1979 time period.  I would like to find some photos of these cars (if they existed) for modeling purposes.  I have not been able to locate any photos or numerical listings of these cars. Any help would be appreciated. Thanks, Matt

[SSW9389]

Matt: My 1979 ORER shows 930 refrigerator cars for GM&O, IC, and ICG combined.

General number ranges:

GM&O 1200, 1300, and 1400 series cars

IC 49985, 50000-50499 series includes total of six ice bunker cars 

IC 49450-49985, 150000-150769 series cars

ICG 150770-153005 series

Hope this helps in your search. 

Ed