00597cam a22002051  4500001001300000003000400013005001700017008004100034010001700075035002000092040001900112042001200131050001800143110007900161245004300240260002400283300002900307650003800336999001700374ca 15001304 DLC20260227111100.0821210s1915    dcu      b    000 0 eng    aca 15001304   a(OCoLC)16763301  aDLCcOrPSdDLC  apremarc00aZ7234.C82bB82 aAssociation of American Railroads.bBureau of Railway Economics.bLibrary.10aList of references on grade crossings.  a[Washington,c1915]  a27 numb. l.c33 x 21 cm. 0aRailroad crossingsvBibliography.  c14859d14859