[Untitled photo, possibly related to: Great Lakes boats bring coal from the East and return with wheat. Duluth, Minnesota].… https://www.rawpixel.com/image/12286411/photo-image-sky-public-domain-factoryFree Image from public domain licenseLoading grain boat. Occident elevator. Duluth, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284852/photo-image-person-public-domain-archFree Image from public domain licenseGrain boat at elevator. Duluth, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12260136/photo-image-person-public-domain-waterFree Image from public domain licenseWeighing milk in the receiving room. Duluth Milk Company. Duluth, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285104/photo-image-person-public-domain-manFree Image from public domain license[Untitled photo, possibly related to: Grain boat at elevator. Duluth, Minnesota]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12259989/photo-image-person-sky-public-domainFree Image from public domain licenseGrain elevators at entry to port of Duluth, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286312/photo-image-grass-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Grain trimmer, Duluth, Minnesota]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12260128/photo-image-person-wood-public-domainFree Image from public domain license[Untitled photo, possibly related to: Loading grain boat. Duluth, Minnesota]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285261/photo-image-sky-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: Loading grain boat at Consolidated Elevator Compamy, elevator "E". Duluth, Minnesota].… https://www.rawpixel.com/image/12285106/photo-image-person-public-domain-waterFree Image from public domain license[Untitled photo, possibly related to: Grain trimmer. Duluth, Minnesota]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12260165/photo-image-person-public-domain-waterFree Image from public domain license