00815pam a2200193 i 4500 0309025672 625.8028 NA D National Research Council (U.S.). 20017 Maintenance management, the Federal role, unionization, pavement maintenance, and ice control / Transportation Research Board, Commission on Sociotechnical Systems, National Research Council. Washington : National Academy of Science, 1977. iii, 57 p. : ill. ; 28 cm. 0 0 0 625_802800000000000_NA Collective bargaining Transportation. 43857 D 6527 Pavements Maintenance and repair. 20806 Roads Maintenance and repair. 19609 Roads Snow and ice control. 21203 ddc BK 547715 547715 0 0 ddc 0 0 MCE MCE 2014-08-05 0 625.8028 NA MCE-42155 2014-08-05 2014-08-05 BK