Last seen in:
Related Clues:
- Stapleton Airport site
- Rock
- Censure
- Heavy rock
- Colorado River dam (officially "Hoover")
- Former Stapleton Airport site
- Home of the Broncos
- Colorado city
- ''Queen City of the Plains''
- Six Flags Elitch Gardens city
- Broncos' home
- Avalanche setting
- ''Rocky Mountain High'' singer
- Setting for part of Kerouac's 'On the Road'
- Obstruction at the entrance to a cave, maybe