TY - BOOK AU - Byrne, Oliver, TI - Pocket-book for railroad and civil engineers: containing new, exact, and concise methods for laying out railroad curves, switches, frog angles, and crossings ; the staking out of work, levelling ; the calculation of cuttings and embankments, earthwork, etc. AV - TF205 B97 PY - 1864/// CY - Philadelphia PB - H. C. Baird KW - Ferrocarriles KW - Diseño y construcción ER -