| 题名 |
Public road mileage and revenues in the Middle Atlantic States, 1914 : a compilation showing mileage of improved and unimproved roads, sources and amounts of road revenues, bonds issued and outstanding, and a description of the systems of road administration and fiscal management, and of other factors affecting road improvement in each state / prepared jointly by the Division of Road Economics and the state collaborators of the Office of Public Roads and Rural Engineering. |
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