Map of Morrison Formation allosaur quarry locations made using Blank US Map.svg as a base, with localities after Turner and Peterson, 1999. In-image caption removed for interlanguage use.

Image key:
The general extent of the Morrison Formation has been overlaid in yellow. Historically or otherwise notable quarries where Allosaurus remains have been found include the numbered locations:

1. “Big Al” quarry, Big Horn Co., WY.
   
2. Como Bluff, Albany Co., WY.
   
3. Garden Park/Cañon City, Fremont Co., CO.
   
4. Dry Mesa Quarry, Delta Co., CO.
   
5. Grand Junction/Fruita, Mesa Co., CO.
   
6. Dinosaur National Monument West, Uintah Co., UT.
   
7. Cleveland-Lloyd Dinosaur Quarry, Emery Co., UT.