CUSHING, Okla. (AP) — Oklahoma regulators say environmental crews are cleaning up a crude oil spill near one of the world's largest oil storage sites.

Oklahoma Corporation Commission spokesman Matt Skinner said Wednesday that oil spilled into a dry creek bed in Lincoln County, south of the massive oil tank farm in Cushing. Construction workers Tuesday cut a pipeline operated by Centurion Pipeline. A spokesman for Houston-based Centurion, Eric Moses, says the company contained the release.

Skinner says it's unclear how much oil spilled. It happened on farmland 60 miles (96 kilometers) west of T...