User:Abyssal/Prehistory of North America/DYK/13
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Grallator.jpg/79px-Grallator.jpg)
- ... that highlights from 19th century ichnology include the discovery of protomammal tracks in England, dinosaur footprints in Massachusetts, and the mysterious hand-shaped Chirotherium tracks (pictured)?
- ...that the proglacial lakes of Minnesota were massive freshwater lakes covering many times the area of the Great Lakes at the end of the Wisconsin glaciation?
- ... that German epigrapher Nikolai Grube co-presented workshops teaching Maya hieroglyphs to native Maya in Mexico and Guatemala?
- ... that more than half of the Kappa V Archaeological Site (flooding pictured) has been destroyed by wave wash erosion?
- ... that the fossil yew Taxus masonii was described from fifteen fossils collected from 1942 to 1989?
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Tomotley-timberlake-detail1.jpg/100px-Tomotley-timberlake-detail1.jpg)
- ...that Tomotley, a Native American historic site in Monroe County, Tennessee, is currently submerged by an artificial lake?
- ... that during the 20th century, the first large-scale excavation of dinosaur footprints was undertaken in Texas for an exhibit at the American Museum of Natural History?
- ... that the extinct plant genus Dillhoffia can't be placed into a flowering plant family at this time?
- ... that Indiana's Epsilon II is a rare example of a well-preserved upland archaeological site from the Archaic period?
- ... that T. Rex and the Crater of Doom details the development of the hypothesis that dinosaurs were wiped out by a meteor impact?