000 00343 am a2200121 a 4500
100 1 _aWoolf, D.O.
245 1 _aResults of physical tests of road building rock
260 _aWashington
_c1930
300 _a1-148 p.
942 _2udc
_cB
440 _aUnited States Department of Agriculture. Miscellaneous Publication No. 76
901 _aS49690
999 _c106337
_d106337