Map of the United States : exhibiting the post-roads, the situations, connexions & distances of the post-offices, stage… https://www.rawpixel.com/image/7667116/image-art-vintage-public-domainFree Image from public domain license Geological map of Indiana, showing location of stone quarries and natural gas and oil areas https://www.rawpixel.com/image/8908139/image-vintage-public-domain-mapFree Image from public domain licenseMap showing the 139,403,026 acres of the people's land -- equal to 871,268 farms of 160 acres each. Worth a $2 an acre… https://www.rawpixel.com/image/7666300/image-art-vintage-public-domainFree Image from public domain licenseThe meandering Ohio River bisecting this image is the border between Kentucky and Indiana. Original from NASA. Digitally… https://www.rawpixel.com/image/441771/free-photo-image-city-map-border-mapsFree Image from public domain license