deepest human-made hole of
- 12,262 meters (40,230 feet)
- Swamp Creek (Washington) (Wikipedia)
Swamp Creek is a tributary of the Sammamish River in Snohomish and King counties, in the U.S. state of Washington. It is also known as dxʷɬ(ə)q̓ab in Lushootseed, meaning “a wide place”.
