Allen, C. Frank <br/><br/>
Railroad curves and earthwork, 
by C. Frank Allen ... 
 - 7th ed., rev. 
 - New York,  London,  McGraw-Hill Book Company, inc.,  1931. 
 - xiii, 235 p.  diagrs.  18 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE<br/>Railroads--Curves and turnouts.<br/>Railroads--Earthwork.
<br/><br/><label>Dewey Class. No.: </label>625.12  / ALL