Bingham Canyon, Utah. Ore trains in a trestle bridge above an open pit mine of the Utah Copper Company. Sourced from the… https://www.rawpixel.com/image/12295732/photo-image-smoke-mountain-public-domainFree Image from public domain licenseBusinessmen Walk Call Phone Luggage Business Trip https://www.rawpixel.com/image/25190/premium-photo-image-adult-beard-beardedView licensePhoto Gradient Style with Businesswomen Talkin On The Phone https://www.rawpixel.com/image/25182/premium-photo-image-adult-african-americanView licenseBusiness people meeting and discussion on footbridge https://www.rawpixel.com/image/27908/free-photo-image-alliance-asia-asianView licenseBusiness people meeting and discussion on footbridge https://www.rawpixel.com/image/27904/free-photo-image-alliance-asia-asianView licenseBusinessmen Women Walk Rush Suit https://www.rawpixel.com/image/25162/premium-photo-image-adult-african-american-bridgeView licenseFreight cars in flour mill district. Minneapolis, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282567/photo-image-cloud-person-skyFree Image from public domain licenseA potato field after the crop has been gathered. The row of dark patches is caused by the burning of the vines. Near… https://www.rawpixel.com/image/12275235/photo-image-background-pattern-vinesFree Image from public domain licensePhoto Gradient Style with Businesswomen Talkin On The Phone https://www.rawpixel.com/image/25138/premium-photo-image-adult-african-americanView licenseShot from under a bridge https://www.rawpixel.com/image/534693/free-photo-image-grunge-streets-concrete-bridge-parallelView licenseCommunity singing at the Westmoreland Homestead's first fair. Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12267703/photo-image-people-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Construction of new bridge, Tygart Valley Homesteads, West Virginia]. Sourced from the… https://www.rawpixel.com/image/12247895/photo-image-person-sky-treeFree Image from public domain licenseBusinessmen Write Note Notebook Plan https://www.rawpixel.com/image/25118/premium-photo-image-adult-african-american-bridgeView licenseA dredge working on the Ohio river at Rochester, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12278809/photo-image-sky-smoke-public-domainFree Image from public domain licenseBusiness Men Talking On The Phone Women https://www.rawpixel.com/image/25114/premium-photo-image-adult-african-american-blondView licenseInterior of covered bridge. Cambridge, Vermont. Sourced from the Library of Congress. https://www.rawpixel.com/image/12272346/photo-image-pattern-wood-public-domainFree Image from public domain licenseSolo woman traveler https://www.rawpixel.com/image/16916/premium-photo-image-alley-alone-backView licenseHomes of Greek workers with American Bridge Company in background. Ambridge, Pennsylvania. Sourced from the Library of… https://www.rawpixel.com/image/12272458/photo-image-background-person-skyFree Image from public domain licenseBeauty Nature Outdoors Outside Sunlight https://www.rawpixel.com/image/3250/premium-photo-image-alone-creek-environmentView licenseAfrican American woman is taking a photo https://www.rawpixel.com/image/57854/premium-photo-image-activity-african-americanView licenseBusinessmen Luggage Business Trip Travel https://www.rawpixel.com/image/25086/premium-photo-image-abroad-adult-awayView licenseBusinesspeople Men Women Walk Rush https://www.rawpixel.com/image/25082/premium-photo-image-adult-african-american-bridgeView licenseBusinessman Cityscape Skyline Night Light Vision Concept https://www.rawpixel.com/image/120648/premium-photo-image-boat-alone-back-litView licensePhoto Gradient Style with Businesspeople Men Women Walk Colleague https://www.rawpixel.com/image/25074/premium-photo-image-adult-african-american-artView license[Untitled photo, possibly related to: Textile mills seen from a bridge in Woonsocket, Rhode Island]. Sourced from the… https://www.rawpixel.com/image/12278353/photo-image-cloud-person-skyFree Image from public domain licenseRailroad trestle. Ontonagon County, Michigan. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286510/photo-image-plant-sky-public-domainFree Image from public domain licenseSign for bridge leading to Matomoros, Mexico, Brownsville, Texas. Sourced from the Library of Congress. https://www.rawpixel.com/image/12253957/photo-image-plant-person-treeFree Image from public domain license[Untitled photo, possibly related to: Gallipolis, Ohio. Lock gates closing after Katherine Davis had gone through]. Sourced… https://www.rawpixel.com/image/12293359/photo-image-person-sky-public-domainFree Image from public domain licenseDeveloper Servey Planning Structure Construction Concept https://www.rawpixel.com/image/53717/premium-photo-image-architect-architecture-assistanceView licenseSmiling Happiness Woman is Walking on the Bridge https://www.rawpixel.com/image/38688/premium-photo-image-action-activity-adultView licenseDeveloper Servey Planning Structure Construction Concept https://www.rawpixel.com/image/53701/premium-photo-image-architect-architecture-assistanceView licenseSkateboard Relaxation Rest Lying Chill Headphone Concept https://www.rawpixel.com/image/68706/premium-photo-image-action-active-activityView licenseLooking north. Monongahela River, Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273725/photo-image-sky-public-domain-natureFree Image from public domain licenseBusinesspeople Men Women Walk Colleague https://www.rawpixel.com/image/24998/premium-photo-image-adult-african-american-bridgeView licenseBusinessmen Habds Hold Luggage Business Trip https://www.rawpixel.com/image/24994/premium-photo-image-adult-beard-bridgeView licenseBusinessmen African American Thinking Serious https://www.rawpixel.com/image/24986/premium-photo-image-adult-african-american-blackView licenseAmoskeag mills looking north from Bridge Street on Canal Street side. Manchester, New Hampshire. Sourced from the Library of… https://www.rawpixel.com/image/12269295/photo-image-plant-sky-public-domainFree Image from public domain licenseBusinesspeople Men Women Talk Phone Call https://www.rawpixel.com/image/24978/premium-photo-image-adult-african-american-blondView licenseThe dock at Little Creek, Virginia, the "Gateway to the South." The Norfolk end of the Norfolk-Cape Charles ferry. Sourced… https://www.rawpixel.com/image/12263286/photo-image-person-public-domain-natureFree Image from public domain licenseDeveloper Servey Planning Structure Construction Concept https://www.rawpixel.com/image/53645/premium-photo-image-architect-architecture-assistanceView licenseAsian woman in the city https://www.rawpixel.com/image/11320/premium-photo-image-asian-attractive-beautifulView licenseAsian woman in the city https://www.rawpixel.com/image/11312/premium-photo-image-asian-attractive-beautifulView license[Untitled photo, possibly related to: The remains of an old cotton mill at Scull Shoals. Greene County, Georgia]. Sourced… https://www.rawpixel.com/image/12279334/photo-image-plant-forest-treeFree Image from public domain licenseAsian woman in the city https://www.rawpixel.com/image/11304/premium-photo-image-asian-attractive-beautifulView licenseBusinessmen Habds Hold Luggage Business Trip https://www.rawpixel.com/image/24950/premium-photo-image-adult-beard-beardedView licenseAsian woman in the city https://www.rawpixel.com/image/11292/premium-photo-image-asian-attractive-beautifulView licenseBusinessmen Habds Hold Luggage Business Trip https://www.rawpixel.com/image/24934/premium-photo-image-adult-beard-bridgeView licenseBusinessmen Walk Call Phone Luggage Business Trip https://www.rawpixel.com/image/24926/premium-photo-image-adult-beard-beardedView licenseDeveloper Servey Planning Structure Construction Concept https://www.rawpixel.com/image/53593/premium-photo-image-architect-architecture-assistanceView licenseAsian woman in the city https://www.rawpixel.com/image/11268/premium-photo-image-asian-attractive-beautifulView 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 licenseAsian woman in the city https://www.rawpixel.com/image/11260/premium-photo-image-asian-attractive-beautifulView licenseView of skytrain tracks in downtown https://www.rawpixel.com/image/534678/free-photo-image-bangkok-city-commuteView licenseAsian woman in the city https://www.rawpixel.com/image/11252/premium-photo-image-asian-attractive-beautifulView licenseDiesel freight train on the Atchison, Topeka and Santa Fe Railroad between Winslow and Seligman, Arizona going down the… https://www.rawpixel.com/image/12292654/photo-image-cloud-plant-skyFree Image from public domain licenseOswego, New York. Factories on the Oswego River. Sourced from the Library of Congress. https://www.rawpixel.com/image/12296098/photo-image-plant-sky-treeFree Image from public domain licenseSan Sebastian, Puerto Rico (vicinity). Workman repairing a crane at a "central". Sourced from the Library of Congress. https://www.rawpixel.com/image/12280795/photo-image-person-sky-technologyFree Image from public domain license[Untitled photo, possibly related to: Ship going through drawbridge entering port of Corpus Christi, Texas] by Russell Lee https://www.rawpixel.com/image/12166641/image-person-art-skyFree Image from public domain license[Untitled photo, possibly related to: Lined up and waiting for a meal in the camp for flood refugees at Forrest City… https://www.rawpixel.com/image/12252232/photo-image-person-sky-roadFree Image from public domain license[Untitled photo, possibly related to: Pittsburgh, Pennsylvania]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284356/photo-image-sky-smoke-public-domainFree Image from public domain licenseOre punchers going to work on docks. Allouez, Wisconsin. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286129/photo-image-person-sky-public-domainFree Image from public domain licensePrecast concrete flume on "C" Canal in Oregon. Length, 4300 feet; capacity 345 second-feet. September, 1941. Sourced from… https://www.rawpixel.com/image/12237065/image-sky-road-animalFree Image from public domain licenseCrew member resting while Great Lakes boat "James Watt" is being loaded with wheat to go to Buffalo flour mills. Elevator… https://www.rawpixel.com/image/12284823/photo-image-face-person-woodFree Image from public domain licenseBack lit Business People Working Corporate Concept https://www.rawpixel.com/image/127219/premium-photo-image-building-business-businessmanView licenseHouses of Bethlehem, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12266366/photo-image-person-road-public-domainFree Image from public domain license[Untitled photo, possibly related to: Calumet City, Illinois. Loading cattle at the Calumet Park stockyards]. Sourced from… https://www.rawpixel.com/image/12290880/photo-image-person-sky-woodFree Image from public domain licenseConstruction of new bridge, Tygart Valley Homesteads, West Virginia. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247902/photo-image-person-sky-airplaneFree Image from public domain licenseA rustic bridge and picnic table in a secluded clearing. A part of the Resettlement Administration's recreational area.… https://www.rawpixel.com/image/12268394/photo-image-plant-person-forestFree Image from public domain licensePennsylvania Turnpike, Pennsylvania. Cross traffic is carried by overhead bridges. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288116/photo-image-cloud-plant-skyFree Image from public domain licenseDeveloper Servey Planning Structure Construction Concept https://www.rawpixel.com/image/53453/premium-photo-image-architect-architecture-assistanceView licenseHighway bridges https://www.rawpixel.com/image/71200/free-photo-image-bridges-city-constructionView licenseArden, New York. Interracial activities at Camp Gaylord White and Ellen Marvin, where children are aided by the Methodist… https://www.rawpixel.com/image/12296165/photo-image-plant-person-forestFree Image from public domain licenseFlagstaff, Arizona. A street scene on the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona.… https://www.rawpixel.com/image/12292638/photo-image-person-sky-roadFree Image from public domain licenseReading, Pennsylvania. Women workers on the railroad. Sourced from the Library of Congress. https://www.rawpixel.com/image/12301194/image-person-wood-womenFree Image from public domain licenseMonarch grain elevator. Minneapolis, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282541/photo-image-sky-public-domain-wallFree Image from public domain license[Untitled photo, possibly related to: Trucks at Union Stockyards. Chicago, Illinois]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12287081/photo-image-sky-light-public-domainFree Image from public domain license[Untitled photo, possibly related to: Summer residents watch the tourist boat arrive from Boston, Provincetown… https://www.rawpixel.com/image/12253228/photo-image-person-sky-public-domainFree Image from public domain licenseDam at Trap Pond. Delaware land use project. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273875/photo-image-plant-sky-treeFree Image from public domain licenseRow houses. Philadelphia, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285248/photo-image-sky-road-public-domainFree Image from public domain licenseEntrance to Union Stockyards. Omaha, Nebraska. Sourced from the Library of Congress. https://www.rawpixel.com/image/12269479/photo-image-road-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Unloading oysters from fisherman's boat, Olga, Louisiana] by Russell Lee https://www.rawpixel.com/image/12167916/image-plant-person-artFree Image from public domain license[Untitled photo, possibly related to: Great Northern grain elevator in Superior, Wisconsin. City of Duluth, Minnesota in… https://www.rawpixel.com/image/12285160/photo-image-background-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: At the Wells-Lemson granite quarry near Barre, Vermont]. Sourced from the Library of… https://www.rawpixel.com/image/12280947/photo-image-sky-public-domain-natureFree Image from public domain licenseWatts Bar Dam, Tennessee. Tennessee Valley Authority. Workers crossing the dam. Sourced from the Library of Congress. https://www.rawpixel.com/image/12340485/image-plant-person-skyFree Image from public domain licenseCouple Lover Travel Train Backpacker Concept https://www.rawpixel.com/image/47821/premium-photo-image-adventure-attractive-backpackerView licenseBridge Lake Nature Beauty Reflection https://www.rawpixel.com/image/91509/free-photo-image-beauty-bridge-cloudView licenseCityscape Architecture Building Business Metropolis Concept https://www.rawpixel.com/image/117446/premium-photo-image-apartment-architecture-brightView licenseCouple Travel Destination Journey Togetherness Concept https://www.rawpixel.com/image/47777/premium-photo-image-activity-adventure-bangkokView licenseLock Eleven. Erie Canal, New York. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288464/photo-image-person-public-domain-archFree Image from public domain license[Untitled photo, possibly related to: Cincinnati (vicinity), Ohio. A bridge over the Ohio River, as seen from the towboat… https://www.rawpixel.com/image/12295269/photo-image-person-sky-public-domainFree Image from public domain license