page_title: John B. Leonard
hierarchical_section_title: John B. Leonard
caption_attribution_description: English: Gianella Bridge — spanning the Sacramento River at State Highway 32, Hamilton City vicinity (Glenn County, California).
context_page_description: John Buck Leonard was a pioneering bridge engineer and architect, early advocate for reinforced concrete, working mainly in northern California.
context_section_description: John Buck Leonard (1864 - 1945) was a pioneering bridge engineer and architect, early advocate for reinforced concrete, working mainly in northern California.
caption: Leonard's Gianella Bridge, Glenn, California, one of his few steel designs
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