000 00321 am a2200121 a 4500
100 1 _aMcCreight, A.M.
245 1 _aCrossties purchased and treated in 1915
260 _aWashington
_c1917
300 _a1-8 p.
942 _2udc
_cB
440 _aUnited States Department of Agriculture. Bulletin No. 549
901 _aS49473
999 _c105999
_d105999