Tulsans bury a new car
From June 15, 1957: A 1957 automobile was buried in the courthouse lawn today - with a bottle of tranquilizer pills in the glove compartment.

'Capsule' Tomb Is Lined
From June 13, 1957: Concrete pouring began today on the ``time capsule'' on the southeast corner of the Tulsa County Courthouse lawn in which a new automobile and mementos of Tulsa's semi-centennial year will be buried Sunday.

Major Problems Licked - Tulsa's Gift to 2007 to Be Buried June 15
From June 6, 1957: Only technical difficulties "such as striking oil in making the excavation,'' stood in the way today as Golden Jubilee, Inc., prepared to bury a new Plymouth automobile and assorted 1957 artifacts in a vault in the Courthouse lawn to be unearthed 50 years hence.