Category:HAER images of Contra Costa County, California

English: Historic American Engineering Record (HAER) images of Contra Costa County, California.

Subcategories

This category has the following 2 subcategories, out of 2 total.

C

Carquinez Bridge (HAER images)‎ (124 F)

H

HAER images of Rosie the Riveter National Historical Park‎ (1 C, 37 F)

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