Homer Harding.png English: G. Homer Harding Date circa 1970 date QS:P,+1970-00-00T00:00:00Z/9,P1480,Q5727902 Source 1971 SouthDakota legislative manual
0 Creative Commons Attribution-Share Alike 4.0 truetrue English Footprint of Hyolithe cerops, found in the Spence shales French Empreinte de ''Hyolithe