000 00324nam a2200121Ia 4500
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082 _a625.11 A425
100 _aALLEN.C.F
245 0 _aRAILROAD CURVES AND EARTH WORK, INCLUDING FIELD AND OFFICE TABLES
260 _bMCGRAW, NEW YORK
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300 _a20X12
942 _cBK
999 _c62113
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