000			00498pam a2200169a 44500
082			_a625.1 _bAL5r7
100			_aAllen, Calvin Francis
245	1		_aRAILROAD CURVES AND EARTHWORK
250			_a7th rev.
260			_aN. Y. _bMcgraw-Hill _c1931
300			_a290
500			_aWith This Is Bound His Field And Office Tables. 4th Rev. New York And London, 1931 Tables
650			_aRailroads -- Curves And Turnouts
650			_aRailroads -- Earthwork
964			_gCIRC
997			_a73951 C
999			_c437026 _d437026