000			00301nam a22001217a 4500
082			_a625.7 _bNAT _cD
100			_aNational research council
245			_aLow-volume rural roads
260			_aWashington D.C _bNational research council _c1986
300			_aiii, 56 p. _billu.
650			_aMCE
942			_cBK
999			_c7682 _d7682