This primary source comes from the Records of the U.S. Food Administration.
Full Citation: Letter from Food Administration for Wisconsin to Onalaska Pickle & Canning Company; 6/22/1918; 9I - Pickles, 1917 - 1919; General Correspondence, 1917 - 1918; Records of the U.S. Food Administration, Record Group 4; National Archives at Chicago, Chicago, IL. [Online Version, https://www.docsteach.org/documents/document/letter-from-food-administration-for-wisconsin-to-onalaska-pickle-canning-company, April 26, 2024]