"1926Z"^^ . . "The Packard Proving Grounds (the remains of which are now called the Packard Proving Grounds Gateway Complex), was a proving ground established in Shelby Charter Township, Michigan in 1927 by the Packard Motor Car Company of Detroit. It is listed in the National Register of Historic Places."@en . "Packard Proving Grounds"@en . "2007-02-01Z"^^ . "06001322" . . . . "58679.4"^^ .