Soil profile (metric) in Montana, near Butte, Cascade County, Hammett Ranch. June 1968. Original public domain image from… https://www.rawpixel.com/image/3335417/free-photo-image-archaeology-brick-cc0Free Image from public domain licenseRelief-carved Fragment from Persepolis, 486-465 BCE Persian. Original from The Minneapolis Institute of Art. https://www.rawpixel.com/image/7614869/photo-image-vintage-art-public-domainFree Image from public domain licenseTwo Views of a Horse's Head; the Head of a Bearded Man in Profile, Anonymous, Italian, 16th century https://www.rawpixel.com/image/9085948/image-vintage-horse-painting-bearded-man-1550-1600Free Image from public domain licenseHead of an Angel in Left Profile. Original public domain image from The MET Museum https://www.rawpixel.com/image/7726373/public-domain-image-from-the-metFree Image from public domain licenseRelief attributed to Petamenophis, Late Period, Kushite-early Saite (ca. 710–640 B.C.) https://www.rawpixel.com/image/9331164/relief-attributed-petamenophisFree Image from public domain licensefive faces; clockwise from LLC: man with long grey hair and grey beard, woman wearing wreath with red flowers, woman wearing… https://www.rawpixel.com/image/7652025/image-faces-flowers-vintageFree Image from public domain licenseLandscape in Oklahoma showing man plowing in cotton field in background and profile of soil showing easily erodable… https://www.rawpixel.com/image/12176170/image-background-cloud-plantFree Image from public domain licenseProfile Rock, near the First Crossing, of the Truckee River by Alfred A Hart and Carleton Watkins https://www.rawpixel.com/image/14299795/photo-image-public-domain-soilFree Image from public domain license[Untitled photo, possibly related to: Landscape in Oklahoma showing man plowing in cotton field in background and profile of… https://www.rawpixel.com/image/12176151/image-background-plant-personFree Image from public domain license