00663nam a22002057a 4500 20260504152248.0 260504b ||||| |||| 00| 0 eng d 9781641722735 625.1 O524 2020 Oslon, Larry, author. Railway system : design, construction and operation / Larry Oslon. New York, NY : Larsen & Keller, c2020. viii, 239p. Includes bibliographical references and index. 600-699 Railroads--Design and construction. Railroad engineering. Transportation engineering. ddc BK 2513 2513 0 0 ddc 0 0 NFIC CL CL RES 2026-05-04 9779 0 625.1 O524 2020 9779 2026-05-04 2026-05-04 BK