Photograph as originally submitted to this page
in the Historical Marker Database www.HMdb.org
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Photographer: Denise Boose
Taken: November 26, 2010
Caption: Hard Hat Memorial
Additional Description: Prominent among the projects many contributions to the construction industry is the hard hat, which made its debut as mandatory equipment at Hoover Dam, where "Safety First: was the order of the day.
Submitted: February 2, 2014, by Denise Boose of Tehachapi, California.
Database Locator Identification Number: p265686
File Size: 1.012 Megabytes
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