Strip Mining with Dragline Equipment at the Navajo Mine in Northern Arizona. Photographer: Eiler, Lyntha Scott. Original… https://www.rawpixel.com/image/8765977/photo-image-vintage-coalFree Image from public domain licenseDragline Doing Some Dredging and Filling near Long Key in the Central Florida Keys. Photographer: Schulke, Flip, 1930-2008.… https://www.rawpixel.com/image/8799930/photo-image-vintage-public-domain-soilFree Image from public domain licenseDragline (Used in Strip Mining) at the Navajo Coal Mine in Northern Arizona 06/1972. Photographer: Eiler, Lyntha Scott.… https://www.rawpixel.com/image/8769771/photo-image-vintage-person-constructionFree Image from public domain licenseStrip Mining with Dragline Equipment at the Navajo Mine in Northern Arizona 06/1972. Photographer: Eiler, Lyntha Scott.… https://www.rawpixel.com/image/8769792/photo-image-vintage-coal-tractorFree Image from public domain licenseColumbia Steel Company at Geneva, Utah. Draglines are working day and night excavating for the building of open hearth… https://www.rawpixel.com/image/12338972/image-plant-person-grassFree Image from public domain license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Draglines are working day and night excavating… https://www.rawpixel.com/image/12339325/image-cloud-person-skyFree Image from public domain license