This car was damaged and its driver injured when it hit the back of a semi on Wednesday, September 29, 2010, near Upper Lake, Calif. Photo by Gary McAuley.

UPPER LAKE, Calif. – A Wednesday morning crash near Upper Lake resulted in minor injuries.

The crash occurred shortly before 8 a.m. on Highway 29 just south of Highway 20, according to the California Highway Patrol.

The CHP said the roadway was blocked as a result of the crash, which involved a female driver rear-ending a semi-truck, according to reports from the scene. The woman's head hit the windshield, giving her a minor head injury.

More specifics weren't immediately available from the CHP on Wednesday.

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The scene of a crash on Highway 29 south of Highway 20 near Upper Lake, Calif., on Wednesday, September 29, 2010. Photo by Gary McAuley.