Facts relating to bridging the Ohio River
Subtitle: 300 feet span insufficient and unsafe to navigation, 500 feet span practical and can be safely constructed : testimony of science and experience : meeting of the citizens of Pittsburgh.
Contributors: YA Pamphlet Collection (Library of Congress)
Publisher: s.n.
Published: 1868
Place of publication: [Pittsburgh
Language: eng
Number of pages: 20
Subjects: Bridges -- Ohio River -- History -- 19th century.
Notes: "Action of coal trade."
"Memorials to Congress."
"Towing trade on the Ohio River."