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- catalog abstract "Paper 1: Data are presented on maintenance costs from 1935 through the first half of 1948. Paper 2: Data collected from the field engineer in charge of maintenance operations throughout Virginia were analyzed. Costs are compared of the mechanical loading of ditch cleaning over hand labor methods. Paper 3: Factors involved in an economic study of the resurfacing of disintegrated pavements are discussed.".
- catalog contributor b4463159.
- catalog created "1949.".
- catalog date "1949".
- catalog date "1949.".
- catalog dateCopyrighted "1949.".
- catalog description "Paper 1: Data are presented on maintenance costs from 1935 through the first half of 1948. Paper 2: Data collected from the field engineer in charge of maintenance operations throughout Virginia were analyzed. Costs are compared of the mechanical loading of ditch cleaning over hand labor methods. Paper 3: Factors involved in an economic study of the resurfacing of disintegrated pavements are discussed.".
- catalog description "Progress report of the Project Committee on maintenance costs -- Cost of mechanical loaders in ditch cleaning as compared with costs of hand operations in Virginia -- Economics of resurfacing disintegrated pavements.".
- catalog extent "iii, 14 p. ;".
- catalog isPartOf "Bulletin (National Research Council (U.S.). Highway Research Board) ; 21.".
- catalog isPartOf "Its Bulletin ; no. 21".
- catalog issued "1949".
- catalog issued "1949.".
- catalog language "eng".
- catalog publisher "Washington : Highway Research Board,".
- catalog subject "Roads Maintenance and repair Costs.".
- catalog subject "TA1001.5 .B8 no. 21".
- catalog tableOfContents "Progress report of the Project Committee on maintenance costs -- Cost of mechanical loaders in ditch cleaning as compared with costs of hand operations in Virginia -- Economics of resurfacing disintegrated pavements.".
- catalog title "Maintenance costs : report of Committee and two papers presented at the Twenty-eighth Annual Meeting.".
- catalog type "text".