Geology
Emery County, UT
Approximate location — plotted from published sources, not a site visit, and not a guarantee of access.
BLM national monument protecting the Cleveland-Lloyd Dinosaur Quarry — among the densest Jurassic dinosaur bone beds known, with tens of thousands of bones from Allosaurus-dominated Morrison Formation deposits. Visitor center and quarry buildings present mounts, excavation history, and views of the San Rafael Swell badlands; fossils stay in place or in authorized collections.
| Region | Emery County, UT |
|---|---|
| Coordinates (approx.) | 39.3228, -110.6895 |
| Agency | Bureau of Land Management |
| Status | National Monument (2019); National Natural Landmark 1965 |
| Formation | Morrison Formation (Brushy Basin Member) |
| Access | Dirt roads south of Cleveland / west of US-6 corridor |
Public recreation data — BLM & Recreation.gov (RIDB). Verify current access, fees, and seasonal closures before traveling.
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Plan ahead. Leave no trace. Verify current access before traveling.