Item 17404 - Dairy trucks on parade in Portland, 1949 Item 17404 - Dairy trucks on parade in Portland, 1949 Contributed by Maine Historical Society Item 17404 Zoom 3379px x 4270px - 11.3"w x 14.2"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info A parade observing June as Dairy Month winds through Congress Square on a Wednesday afternoon in June 1949. A military band led the dairy trucks. Show Details