https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13955451Edit ImageSaveSaveEditCropCustom TextMake it Yours.Remix, add effects & personalize with your own textCustomizeOr start from these designsGeological atlas projected to illustrate geographic explorations and surveys west of the 100th meridian of longitude : prosecuted in accordance with Acts of Congress under the authority of the Honorable the Secretary of War, and the direction of A.A. Humphreys, embracing results of the different expeditions under Geo. M. Wheeler.MoreGeological atlas projected to illustrate geographic explorations and surveys west of the 100th meridian of longitude : prosecuted in accordance with Acts of Congress under the authority of the Honorable the Secretary of War, and the direction of A.A. Humphreys, embracing results of the different expeditions under Geo. M. Wheeler.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1109 px | 300 dpiLarge JPEG 1433 x 1324 px | 300 dpiFree Download