author
Known in print as S. H. Woodard, he was a civil engineer whose published work opens a window onto one of New York’s most ambitious railroad tunneling projects. His writing is practical and precise, shaped by firsthand experience with major infrastructure work.

by James H. Brace, Francis Mason, S. H. Woodard
Available records identify S. H. Woodard as Silas H. Woodard (1870–1961), a civil engineer who specialized in power development, dams, tunnels, and foundation work. Archival material from the Smithsonian notes that he served with the Isthmian Canal Commission from 1899 to 1902, worked for the Pennsylvania Railroad from 1902 to 1909, and later served on the Engineering Board of the St. Lawrence River Power Development Commission in the 1930s.
He is best known to many readers through engineering publications rather than conventional books. Project Gutenberg and library listings credit him as a co-author of Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910: The New York Tunnel Extension of the Pennsylvania Railroad. The East River Tunnels, a detailed account of the design and construction work behind a landmark transportation project.
Because surviving public information is limited, his biography is best read through the scale of the work he helped document: technically demanding, historically important, and closely tied to a transformative era in American engineering.