Assertion: dinosaur's horn | /r/HasProperty | excavated in the laramie formation
Facets:
value: by george homans eldridge in colorado
type: LOCATION
Source sentences:
text: Triceratops galeus, "the helmeted one", was exceptionally based on a specimen not found by Hatcher, USNM 2410, a horn and frill excavated by George Homans Eldridge in Colorado in the Laramie Formation.