File:LimestoneWithFossilUSGOV.jpg

Limestone with fossil, from en:Image:LimestoneWithFossilUSGOV.jpg English applies to jurisdiction: United States of America determination method: work

gov/gallery/individual.php?db_date=2022-08-31 URL: http://modis.gsfc.nasa.gov/gallery/images/image08312022_250m.jpg determination method: JImagehash perceptual hash

Chondrichthyes Braincase (NPS Photo).jpg English: The fossilized brain case of a shark is exposed in the limestone walls of Mammoth Cave. Date 18 March