The world's largest vehicular tunnel. Construction and method of ventilation of the Hudson River Tunnel, Broom Street, New York City to Provost and 14th Street, Jersey City,  New Jersey, 9250 portals, 3375 shafts.
name: label: Collection Creator
content: Missionary Catechists of Divine Providence.
label: Collection Creator
content: Massachusetts Institute of Technology (MIT) Civil Engineering Department
label: Collection Creator
content: Underwood and Underwood
setName: label: See more items in
content: Division of Work and Industry Lantern Slide Collection
label: See more items in
content: Division of Work and Industry Lantern Slide Collection / Series 1: Engineering / 1.17: Tunneling
unitdate: label: Date
content: 1923-02
container: label: Container
content: Box 78, Item 46
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Photographs