Allen, Frank C .
Railroad curves and earth works / Textual Documents Frank C Allen. - New York : McGraw Hill Book Company , 1931. - 290 ; .
44.75
625.12 / ALL/RA
Railroad curves and earth works / Textual Documents Frank C Allen. - New York : McGraw Hill Book Company , 1931. - 290 ; .
44.75
625.12 / ALL/RA