Stay on the existing trails and roadways, be courteous to other users and remove all trash and equipment.
(9) Public works, such as paved and stepped roadways, bridges, systems of drainage, &c.
The mode of winning by level is of less general application than that by shafts, as the capacity for production is less, owing to the smaller size of roadways by which the coal must be brought to the surface, levels of large section being expensive and difficult to keep open when the mine has been for some time at work.
It will be seen that by this method the whole of the seam, with the exception of the pillars left to protect the main roadways, is removed.
The streets are steep, narrow, dirty and unpaved, the roadways consisting of rough boulders.
The debt of the state (especially the contingent debt, secured by sinking funds) has been steadily rising since 1888, and especially since 1896, chiefly owing to the erection of important public buildings, the construction of state highways and metropolitan park roadways, the improvement of Boston harbour, the abolition of grade crossings on railways, and the expenses incurred for the Spanish-American War of 1898.
- Bridges (old forms, brig, brygge, brudge; Dutch, brug; German, Briicke; a common Teutonic word) are structures carrying roadways, waterways or railways across streams, valleys or other roads or railways, leaving a passage way below.
" Floating " bridges are roadways carried on pontoons moored in a stream.
5) which now spans roadways, the streams which formerly flowed under it having been diverted, is one of the earliest known stone bridges in England.
The bridge carries two electric-car tracks, two roadways and two footways.
The low-level approach roadways are 35 ft.
Square sunk into the blue ground; the diamantiferous rock was hoisted by bucket and windlass, and roadways were left across the pit to provide access to the claims. But the roadways soon fell in, and ultimately haulage from the claims could only be provided by means of a vast system of wire ropes extending from a triple staging of windlasses erected round the entire edge of the mine, which had by this time become a huge open pit; the ropes from the upper windlasses extended to the centre, and those from the lower tier to the sides of the pit; covering the whole mass like a gigantic cobweb.
Probably in no country in the world are there gathered together within comparatively narrow limits so many clean-cut waterways, measuring thousands of feet in depth, affording such a stupendous system of narrow roadways through the hills.