Rock inscription of a quote from American naturalist Henry David Thoreau in the John Denver Sanctuary, named for the popular… https://www.rawpixel.com/image/582505/carol-highsmiths-colorado-photographFree Image from public domain license[Untitled photo, possibly related to: At Walden Pond, haunt of Thoreau, Concord, Massachusetts]. Sourced from the Library of… https://www.rawpixel.com/image/12253270/photo-image-plant-person-treeFree Image from public domain licenseThoreau, New Mexico. Conductor C.W. Tevis, with the Atchison, Topeka and Santa Fe Railroad for thirty-two years. Sourced… https://www.rawpixel.com/image/12294056/photo-image-face-person-skyFree Image from public domain licenseThoreau, New Mexico. Section crew coming in after a day's work along the Atchison, Topeka and Santa Fe Railroad between… https://www.rawpixel.com/image/12292492/photo-image-person-sky-public-domainFree Image from public domain licenseThoreau, New Mexico. A train stopping at a siding along the Atchison, Topeka and Santa Fe Railroad between Belen and Gallup… https://www.rawpixel.com/image/12292488/photo-image-sky-public-domain-architectureFree Image from public domain license[Untitled photo, possibly related to: Thoreau, New Mexico. Conductor C.W. Tevis, with the Atchison, Topeka and Santa Fe… https://www.rawpixel.com/image/12293443/photo-image-face-person-smokeFree Image from public domain licenseThoreau, New Mexico. The diesel streamliner "Super Chief" going west along the Atchison, Topeka and Santa Fe Railroad… https://www.rawpixel.com/image/12294042/photo-image-sky-road-public-domainFree Image from public domain licenseThoreau, New Mexico. Section crew coming in after a day's work on the Atchison, Topeka and Santa Fe Railroad between Belen… https://www.rawpixel.com/image/12293419/photo-image-person-sky-smokeFree Image from public domain licenseThoreau, New Mexico. Indian woman crossing the tracks as the conductor gives the highball along the Atchison, Topeka and… https://www.rawpixel.com/image/12294054/photo-image-cloud-sky-smokeFree Image from public domain licenseAt Walden Pond, haunt of Thoreau, Concord, Massachusetts. Sourced from the Library of Congress. https://www.rawpixel.com/image/12253425/photo-image-road-public-domain-posterFree Image from public domain license[Untitled photo, possibly related to: At Walden Pond, haunt of Thoreau, Concord, Massachusetts]. Sourced from the Library of… https://www.rawpixel.com/image/12253251/photo-image-person-public-domain-houseFree Image from public domain license