Pocket-book for railroad and civil engineers, [electronic resource] 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.
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 2000. Includes both TIFF files and keyword searchable text. [Making of America] This volume is made possible by a grant from the Andrew W. Mellon Foundation as part of Making of America IV: the American voice, 1850-1877.
