Martinez märtē´nəs [key], city (1990 pop. 31,808), seat of Contra Costa co., W Calif., on Carquinez Strait between San Pablo and Suisun bays, in a farm area; inc. 1884. Its major industry is petroleum refining. The home of the naturalist John Muir, which has been preserved as a national historic site, is in the city. A naval weapons station adjoins the city, and part of the Central Valley project is nearby.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
See more Encyclopedia articles on: U.S. Political Geography