TY - `BOOK` AU - Plowden, David TI - Bridges : the spans of North America PB - Viking Press CY - New York PY - 1974 LA - eng SE - 328 S T2 - A studio book SN - 0-670-18987-1 SN - 978-0-670-18987-8 CN - 76 C 1337 AN - UBHD-1033178 ER -