General Motors Proving Ground
Subtitle: 89 million miles of testing in 20 years
By: General Motors Corporation
Publisher: General Motors Corporation
Published: 1944
Place of publication: Detroit, Mich.]
Language: eng
Number of pages: 73
Subjects: History; Pictorial works; Automobiles; Testing; Test roads; General Motors Proving Ground (Milford, Mich.)
Other titles: 89 million miles of testing in 20 years
Notes: Cover title.