Moving ore car on narrow gage railroad track at gold mine, Mogollon, New Mexico by Russell Lee https://www.rawpixel.com/image/12170817/image-person-art-vintageFree Image from public domain licenseVertial drill boring hole for blasting crew. Mahoning pit, Hibbing, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285309/photo-image-cow-person-animalFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Drilling. Sourced from the Library… https://www.rawpixel.com/image/12290281/photo-image-person-public-domain-manFree Image from public domain license[Untitled photo, possibly related to: Shasta Dam under construction, Shasta, California] by Russell Lee https://www.rawpixel.com/image/12172976/image-person-art-skyFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Mine foreman waiting for the… https://www.rawpixel.com/image/12290273/photo-image-face-people-public-domainFree Image from public domain licenseDrillers. Old Ben number eight. West Frankfort, Illinois (see 26980-D). Sourced from the Library of Congress. https://www.rawpixel.com/image/12272679/photo-image-person-public-domain-womanFree Image from public domain licenseMechanical cutting machine that increases coal production. Old Ben number eight mine. West Frankfort, Illinois (see 26980… https://www.rawpixel.com/image/12272941/photo-image-person-public-domain-natureFree Image from public domain licenseUnder-cutting machine. Old Ben number eight. West Frankfort, Illinois (see 26980-D). Sourced from the Library of Congress. https://www.rawpixel.com/image/12272736/photo-image-person-public-domain-manFree Image from public domain license[Untitled photo, possibly related to: Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal… https://www.rawpixel.com/image/12290264/photo-image-people-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Payday, coal mining town, Omar, West Virginia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12265491/photo-image-people-public-domain-basketballFree Image from public domain license[Untitled photo, possibly related to: Payoff at Pursglove Mine, Scotts Run, West Virginia]. Sourced from the Library of… https://www.rawpixel.com/image/12256454/photo-image-plant-people-treeFree Image from public domain licenseMining tiff is a dangerous and laborious occupation because tiff mines are never timbered and all mining is done by hand… https://www.rawpixel.com/image/12275511/photo-image-plant-hand-peopleFree Image from public domain licensePit car loader, one of the early types of mechanical loaders. Old Ben number eight. West Frankfort, Illnois (see 26980-D).… https://www.rawpixel.com/image/12274197/photo-image-person-public-domain-manFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Gathering coal. Sourced from the… https://www.rawpixel.com/image/12289960/photo-image-person-public-domain-manFree Image from public domain licenseCultivating tobacco in a field near Barranquitas, Puerto Rico. Sourced from the Library of Congress. https://www.rawpixel.com/image/12264163/photo-image-person-mountain-public-domainFree Image from public domain licenseLaying track in coal mine. Old Ben number eight mine. West Frankfort, Illinois. Sourced from the Library of Congress. https://www.rawpixel.com/image/12272896/photo-image-person-public-domain-natureFree Image from public domain license[Untitled photo, possibly related to: Blasting crew boring into vein with horizontal drill for dynamiting. Mahoning pit… https://www.rawpixel.com/image/12285056/photo-image-person-road-public-domainFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Noon in the "bean hole". Sourced… https://www.rawpixel.com/image/12290255/photo-image-face-person-headphonesFree Image from public domain license[Untitled photo, possibly related to: Company houses, coal mining town, Caples, West Virginia]. Sourced from the Library of… https://www.rawpixel.com/image/12266157/photo-image-person-tree-public-domainFree Image from public domain licenseMorenci, Arizona. Entrance to the copper concentrator of the Phelps Dodge mining corporation where ore trains transport… https://www.rawpixel.com/image/12293535/photo-image-person-public-domain-waterFree Image from public domain licenseMiner using telephone at 500-foot level at gold mine. Mogollon, New Mexico by Russell Lee https://www.rawpixel.com/image/12173062/image-person-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Albany Mine, Hibbing, Minnesota]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285034/photo-image-person-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Payday, coal mining town, Omar, West Virginia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12265493/photo-image-people-public-domain-basketballFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Noon in the "bean hole". Sourced… https://www.rawpixel.com/image/12289963/photo-image-face-hand-peopleFree Image from public domain license[Untitled photo, possibly related to: Young boy who salvages coal from the slag heaps, Nanty Glo, Pennsylvania]. Sourced… https://www.rawpixel.com/image/12256574/photo-image-person-road-public-domainFree Image from public domain license[Untitled photo, possibly related to: Company houses, coal mining town, Caples, West Virginia]. Sourced from the Library of… https://www.rawpixel.com/image/12247869/photo-image-person-sky-treeFree Image from public domain license[Untitled photo, possibly related to: Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal… https://www.rawpixel.com/image/12290257/photo-image-face-people-public-domainFree Image from public domain license