gravel ballast
21Dix (steamboat) — Dix Career Name: Dix Owner: Seattle and Al …
22building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
23H0 scale — Infobox Model Rail Scale name = H0 image filename = HO Scale Bachmann 44 tonner.jpg image caption = U.S. prototype model of an H0 scale (1:87) center cab switcher made by Bachmann shown with a pencil for size comparison. widthpx = 275px scale = 3 …
24London and Greenwich Railway — The London and Greenwich Railway was opened in London between 1836 and 1838. It was the first steam railway to have a terminus in the capital, and the first of any to be built specifically for passenger service.OriginsThe idea for the line came… …
25King Street (Roman road) — King Street is the name of a modern road on the line of a Roman road (getamap|TF106117|map. It runs on a straight course in eastern England, between the City of Peterborough and South Kesteven in Lincolnshire. This English name has long been… …
26Southern New England Trunkline Trail — The Southern New England Trunkline Trail is a rail trail in Massachusetts.It occupies an abandoned railroad corridor running for approximately twenty two miles with an eastern terminus in the Franklin State Forest, Franklin, Massachusetts and a… …
27roadbed — (Roget s IV) n. Syn. crushed rock, gravel, ballast; see foundation 2 …
28Ballasted — Ballast Bal last, v. t. [imp. & p. p. {Ballasted}; p. pr. & vb. n. {Ballasting}.] 1. To steady, as a vessel, by putting heavy substances in the hold. [1913 Webster] 2. To fill in, as the bed of a railroad, with gravel, stone, etc., in order to… …
29Ballasting — Ballast Bal last, v. t. [imp. & p. p. {Ballasted}; p. pr. & vb. n. {Ballasting}.] 1. To steady, as a vessel, by putting heavy substances in the hold. [1913 Webster] 2. To fill in, as the bed of a railroad, with gravel, stone, etc., in order to… …
30TGV track construction — LGV construction is the process by which the land on which TGV trains are to run is prepared for their use, involving carving the trackbed and laying the track. It is similar to the building of standard railway lines, but there are differences.… …
