While researching a topic, a student has taken the following notes:
- Antelope House is an Ancestral Puebloan dwelling site located in northeastern Arizona.
- It was built under a rock overhang and inhabited from approximately 1050-1270 CE.
- The overhanging rock ledges offered protection from heavy rain and snow.
- Mud Springs Pueblo is an Ancestral Puebloan dwelling site located in southwestern Colorado.
- It was built on relatively flat terrain and inhabited from approximately 1200-1250 CE.
- This level surface allowed for the construction of large terraced buildings.