d3-10x-o-c-g-3Thin section of an unknown dinosaur bone from the Lane Formation in Wyoming. Cross section parallel to the length of the bone. From this perspective osteons appear as long interwoven fibers with long Haversian canals at their center. Image size: 1.37mm by 1.031mm. Imaged under orthoscopic cross polarized light with a gypsum plate.Thin section of unknown dinosaur bone, orthoscopic light with a mica plate.