Great Northern Railway Historical Society Blueprint Collection JSBP9332, Willmar, Minnesota, 1947. Great Northern Blueprint Number R-71, Proposed Division of 12 Pens Into 24 and Added Siding. Map - Willmar No. 1. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Stockyard.

Great Northern Railway Historical Society Blueprint Collection JSBP9290, Willmar, Minnesota, 1941. Proposed Location for Improve Stockyard. Map. Authorization for Expenditure 61424. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Stockyard.

Great Northern Railway Historical Society Blueprint Collection JSBP9289, Willmar, Minnesota, 1941. Proposed Removal of Stockyard. Map. Authorization for Expenditure 61424. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Stockyard.