Sandusky, Ohio. Loading coal into a lake freighter at the Pennsylvania Railroad docks. Sourced from the Library of Congress. https://www.rawpixel.com/image/12294154/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Canadian collier loading at port of Oswego, New York]. Sourced from the Library of… https://www.rawpixel.com/image/12286909/photo-image-sky-public-domain-archFree Image from public domain license[Untitled photo, possibly related to: Cleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e.… https://www.rawpixel.com/image/12294146/photo-image-sky-public-domain-architectureFree Image from public domain licenseShip unloading ore at plant. Buffalo, New York. Sourced from the Library of Congress. https://www.rawpixel.com/image/12267687/photo-image-plant-person-smokeFree Image from public domain license170117-N-UM082-003 ATLANTIC OCEAN (Jan. 13, 2017) A MH-60S Sea Hawk from Helicopter Sea Combatant Squadron (HSC) 26… https://www.rawpixel.com/image/8728225/photo-image-sunset-airplane-skyFree Image from public domain license[Untitled photo, possibly related to: Sandusky, Ohio. Loading coal into a lake freighter at the Pennsylvania Railroad… https://www.rawpixel.com/image/12293876/photo-image-person-sky-airplaneFree Image from public domain licenseSandusky, Ohio. Loading coal into a lake freighter at the Pennsylvania Railroad docks. Sourced from the Library of Congress. https://www.rawpixel.com/image/12293865/photo-image-sky-smoke-public-domainFree Image from public domain licenseCleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e., Hulett] unloaders at the Pennsylvania… https://www.rawpixel.com/image/12293870/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Cleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e.… https://www.rawpixel.com/image/12294169/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Cleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e.… https://www.rawpixel.com/image/12294144/photo-image-person-sky-roadFree Image from public domain licenseCleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e., Hulett] unloaders at the Pennsylvania… https://www.rawpixel.com/image/12293846/photo-image-person-public-domain-factoryFree Image from public domain licenseCleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e., Hulett] unloaders at the Pennsylvania… https://www.rawpixel.com/image/12293873/photo-image-person-sky-technologyFree Image from public domain licenseSandusky, Ohio. Loading coal into a lake freighter at the Pennsylvania Railroad docks. Sourced from the Library of Congress. https://www.rawpixel.com/image/12294163/photo-image-sky-ocean-roadFree Image from public domain licenseLoading grain boats at Great Northern elevator. Superior, Wisconsin. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286441/photo-image-person-public-domain-natureFree Image from public domain license[Untitled photo, possibly related to: Cleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e.… https://www.rawpixel.com/image/12294148/photo-image-sky-public-domain-factoryFree 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 licenseCanadian collier loading coal in Oswego, New York. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286902/photo-image-sky-smoke-public-domainFree 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 license[Untitled photo, possibly related to: Cleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e.… https://www.rawpixel.com/image/12293867/photo-image-sky-technology-public-domainFree Image from public domain licenseCleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e., Hulett] unloaders at the Pennsylvania… https://www.rawpixel.com/image/12294167/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Putting empty boxes aboard fishing boat that is heading for the fishing grounds… https://www.rawpixel.com/image/12173229/image-person-art-skyFree Image from public domain license[Untitled photo, possibly related to: Loading grain boat at Great Northern elevator. Superior, Wisconsin]. Sourced from the… https://www.rawpixel.com/image/12285099/photo-image-person-public-domain-waterFree Image from public domain license[Untitled photo, possibly related to: Floating laundries, general stores, etc. pull up alongside boats which may be in port… https://www.rawpixel.com/image/12286434/photo-image-person-sky-smokeFree Image from public domain licenseBarge which will carry bulk wheat from Port Kelly to Portland. Walla Walla, Washington by Russell Lee https://www.rawpixel.com/image/12151780/image-person-art-vintageFree Image from public domain licenseCleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e., Hulett] unloaders at the Pennsylvania… https://www.rawpixel.com/image/12294158/photo-image-sky-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Cleveland, Ohio. Unloading a lake freighter by means of Hewlett [i.e., Hulett]… https://www.rawpixel.com/image/12294161/photo-image-sky-public-domain-architectureFree Image from public domain licenseCleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e., Hulett] unloaders at the Pennsylvania… https://www.rawpixel.com/image/12293878/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Wharf scene, Portland, Maine]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12257633/photo-image-sky-public-domain-waterFree Image from public domain license[Untitled photo, possibly related to: Sandusky, Ohio. Loading coal into a lake freighter at the Pennsylvania Railroad… https://www.rawpixel.com/image/12293874/photo-image-person-airplane-technologyFree Image from public domain license[Untitled photo, possibly related to: Cleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e.… https://www.rawpixel.com/image/12293838/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: A freighter pulling into New York Harbor]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12264375/photo-image-sky-smoke-animalFree Image from public domain license