Petaluma (pĕtəlōˈmə) [key], city (1990 pop. 43,184), Sonoma co., W Calif.; inc. 1858. Founded in 1833 by a colony of Mexicans, Petaluma is a former major poultry and egg center that has grown into a full-fledged suburb since 1970. Its population has increased accordingly. Local industries produce fabricated metal products, baked goods, dairy products, and telecommunications products among others.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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