The physical properties of the wood of yellow poplar fit it for many purposes but not for all. It is not very strong and is tolerably brittle. It is light in weight, medium soft, and is easily worked. The annual rings of growth are not prominent compared with some of the oaks, yet select logs show nicely in quarter-sawing. The medullary rays are numerous, but small and not prominent, for which reason bright streaks and flecks are not characteristic of the wood. Yellow poplar is fairly stiff and elastic, but is not often selected on account of those qualities. In color it is light yellow or brown. The color gives name to the tree. The sapwood is whiter, and it is the abnormally thick sapwood of some trees which causes them to be called white poplar. The wood has little figure, and it is seldom employed for fine work without stain or paint of some kind. It is not usually classed as long lasting when exposed to the weather, yet cases are known where weather boarding of houses, and bridge and mill timbers of yellow poplar have outlasted the generation of builders. The quantity of yellow poplar in the country is but a remnant of the former enormous supply that covered the rich valleys and fertile coves in a region exceeding 200,000 square miles. It occupied the best land, and much was destroyed by farmers in clearing fields. It was not generally found in groves or dense stands, but as solitary trees scattered through forests of other woods. The trunks are tall and shapely, the crowns comparatively small. The form is ideal for sawlogs, and very few trees of America produce a higher percentage of clear, first class lumber. That is because the forest-grown poplar early sheds its lower branches, and the trunks lay on nothing but clear wood. In the yellow poplar’s region it was the principal wood of which the pioneers made their canoes for crossing and navigating rivers. It is still best known by the name canoewood in some regions. It worked easily and was light, and a thin-shelled canoe lasted many years, barring floods and other accidents. Builders of pirogues, keelboats, barges, and other vessels for inland navigation in early times when roads were few and streams were the principal highways of commerce, found no timber superior to yellow poplar. It could be had in planks of great size and free from defects, and while not as strong as oak, it was strong enough to withstand the usual knocks and buffetings of river traffic. Yellow poplar sawlogs have probably exceeded in number any other wood, except white pine, floated down rivers and creeks to market. The wood floats well and lumbermen have usually pushed far up the rivers, ahead of other lumber operations, to procure it. Enormous drives have gone and are still going out of rivers in the Appalachian region.