Geologist lectures on earth

Geologist John Alderson will lecture on "The Earth Beneath Us" at 2 p.m. Sat., June 16 at the National Park Service Visitor Center, 401 W. Hillcrest Drive, Thousand Oaks.

The lecture is free.

Visitors are encouraged to arrive early.

For more information, call (805) 370-2301 or visit www.nps.gov/samo.