Includes 20 blueprints in one folder related to the construction of the Hudson River Vehicular Tunnel (i.e., Holland Tunnel). All relate to Contract No. 5. All marked as void or superseded. Both north and south tunnels are represented in the plans. Plan content includes: location of north tunnel service pipe, electrical conduit system, splicing chamber, niches and manholes, north and south tunnel longitudinal section & invert plan, column & girder schedules for the New York land ventilation building, upper duct floor and roof plans, interior details, concrete details, air measurement apparatus, an roadway floor and roof plans.
