Call Number (LC) Title Results
A 22.3:40-48 New Hampshire highways : report of an inspection of highways in the state of New Hampshire, August, 1911 / 1
A 22.3:41 Mileage and cost of public roads in the United States in 1909 /
Mileage and cost of public roads in U.S. in 1909. 		2
A22.3-41 Mileage and cost of public roads in U.S. in 1909. 1
A 22.3:42 New Hampshire highways : report of an inspection of highways in the state of New Hampshire, August, 1911 /
New Hampshire highways; report of inspection of highways in State of New Hampshire, Aug. 1911. 		2
A22.3-42 New Hampshire highways; report of inspection of highways in State of New Hampshire, Aug. 1911. 1
A 22.3:43 Highway bridges and culverts /
Highway bridges and culverts. 		2
A22.3-43 Highway bridges and culverts. 1
A 22.3:44 The physical testing of rock for road building : including the methods used and the results obtained /
Physical testing of rock for road building, including methods used and results obtained. 		2
A22.3-44 Physical testing of rock for road building, including methods used and results obtained. 1
A 22.3:45 Data for use in designing culverts and short-span bridges /
Data for use in designing culverts and short-span bridges. 		2
A22.3-45 Data for use in designing culverts and short-span bridges. 1
A 22.3:46 Oil-mixed Portland cement concrete
Oil-mixed Portland cement concrete /
Oil-mixed Portland cement concrete. 		3
A22.3-46 Oil-mixed Portland cement concrete. 1
A 22.3:47 Descriptive catalogue of the road models of the Office of Public Roads /
Descriptive catalogue of road models of Office of Public Roads. 		2
A22.3-47 Descriptive catalogue of road models of Office of Public Roads. 1
A 22.3:48 Repair and maintenance of highways /
Repair and maintenance of highways. 		2
A22.3-48 Repair and maintenance of highways. 1
A 22.4: Progress report of experiments in dust prevention and road preservation. 1
A 22.4:9 [Proposal for conference of road improvement advocates] 2
A 22.4:12 [Request for information on public roads, with response for Chickasaw County, Iowa] 2