Locality · No collecting (BLM national monument)
Cleveland-Lloyd Dinosaur Quarry
Emery, Utah, United States
The Cleveland-Lloyd Dinosaur Quarry south of Price, Utah, is the densest Jurassic bonebed known, with at least 46 Allosaurus among its thousands of Morrison bones, and is now Jurassic National Monument. It is the reason Allosaurus is Utah's state fossil. There is no collecting, but it is the reference for what Morrison bonebed material looks like.
| Country | United States |
|---|---|
| State / province | Utah |
| County | Emery |
| Land manager / status | Bureau of Land Management (Jurassic National Monument) |
| Access | Public visitor centre and quarry buildings, seasonal |
| Formations | Morrison Formation |
| What is found | Allosaurus, Camarasaurus, Stegosaurus, Ceratosaurus |
| Coordinates (public site) | 39.32, -110.69 |
Rules
Designated Jurassic National Monument in 2019; all collecting is prohibited and the quarry is excavated only under research permits.
Source: https://www.blm.gov/visit/jurassic-national-monument (checked 2026-09-16).
Collecting rules
Elsewhere
Cite this article
Stratum Study. "Cleveland-Lloyd Dinosaur Quarry" (Locality). Stratum Study pack 2026.09, as of 2026-09-19. https://stratum.black/study/localities/cleveland-lloyd-dinosaur-quarry. Accessed 2026-09-20.
@misc{stratum-cleveland-lloyd-dinosaur-quarry,
title = {Cleveland-Lloyd Dinosaur Quarry},
author = {{Stratum Study}},
howpublished = {\url{https://stratum.black/study/localities/cleveland-lloyd-dinosaur-quarry}},
year = {2026},
note = {Locality article, Stratum Study pack 2026.09, as of 2026-09-19; sources: stratum, commons. Accessed 2026-09-20.}
} Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.