Public domain
Denver, Colorado. Two ingenious American steel fabricators who "took a quick look at a blue print and in less time than it takes to tell it" turned from making steel guard rails for a gold mine shaft to building parts for Navy escort vessels
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Credit lineDenver, Colorado. Two ingenious American steel fabricators who "took a quick look at a blue print and in less time than it takes to tell it" turned from making steel guard rails for a gold mine shaft . 1942-01-01. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.