Costs, N. C. & St. L. Ry.; 18-ft. Arch Culvert; Six Arch Culverts 6 to
16-ft. Span; 14-3/4-ft. Arch Culvert--Culverts for New Construction,
Wabash Ry.--Small Arch Culvert Costs, Pennsylvania R. R.--26-ft. Span
Arch Culvert--12-ft. Culvert, Kalamazoo, Mich.--Method and Cost of
Molding Culvert Pipe.