. . . "A System of useful formulae, adapted to the practical operations of locating and constructing railroads... by Simeon Borden" . "A system of useful formulæ. adapted to the practical operations of locating and constructing railroads a paper read before the Boston society of civil engineers"@en . "A system of useful formulae : adapted to the practical operations of locating and constructing railroads"@en . . . . "A system of useful formulae adapted to the practical operations of locating and constructing railroads"@en . . "A system of useful formulae adapted to the practical operations of locating and constructing railroads: a paper read before the Boston Society of Civil Engineers December, MDCCCXLIX"@en . . . . "A System of Useful Formulæ, adapted to the practical operations of locating and constructing railroads, etc"@en . "A system of useful formulae, adapted to the practical operations of locating and constructing railroads" . . . "A system of useful formulae, adapted to the practical operations of locating and constructing railroads : a paper read before the Boston Society of Civil Engineers" . . . . . . "A system of useful formulae, adapted to the practical operations of locating and constructing railroads: a paper read before the Boston Society of Civil Engineers December, MDCCCXLIX"@en . . "A system of useful formulae : adapted to the practical operations of locating and constructing railroads : a paper read before the Boston Society of Civil Engineers" . . "A system of useful formul. adapted to the practical operations of locating and constructing railroads a paper read before the Boston society of civil engineers"@en . . . "A system of useful formulæ. adapted to the practical operations of locating and constructing railroads : a paper read before the Boston society of civil engineers"@en . .