Advanced Geography . have been built to keep out the salt of the plain have been reclaimed from the were surrounded by dykes to prevent more waterfrom flowing into them and were then pumped dry. The coastal plain forming part of this lowland is covered with alayer of sand containing seashells, and is therefore known to havebeen formed under the sea. Beneath the sand are layers of peatmade of land plants, showing that the region was dry land beforethe sandy layer was deposited by the sea. In the peat are foundRoman coins about two thousand years old. These coins showh


Advanced Geography . have been built to keep out the salt of the plain have been reclaimed from the were surrounded by dykes to prevent more waterfrom flowing into them and were then pumped dry. The coastal plain forming part of this lowland is covered with alayer of sand containing seashells, and is therefore known to havebeen formed under the sea. Beneath the sand are layers of peatmade of land plants, showing that the region was dry land beforethe sandy layer was deposited by the sea. In the peat are foundRoman coins about two thousand years old. These coins showhow very young the coastal plain must be, for it is younger thanthe peat. This part of Europe must have been under the sea andraised again within the last twothousand years. Canals form a networkover these lowlands andafford cheap water ways toall parts of the low of windmills arekept busy pumping waterfrom the fields into thecanals. A mans wealth may there be Counted in BatUe-aoaned Ho«e, Waterioo,. are far-famed fortheir vine-yards. The up-land through which the Rhine flows is an old mountain regionworn low and even, and then raised again. This is the old regionmentioned near the close of lesson 65. Most parts of these low mountains are wooded, and the Germanstherefore speak of them as forests and not as mountains. Thus,they refer to the Black forest (Schwarzwald) —meaning Blackmountains. In the forests are firs, pines, oaks and beeches,—both soft-wood and hard-wood trees. This old upland region, rich in iron ore and coal, ex-tends across Belgium and into France; also, eastwardthrough Germany. The old mountains which rise abovethe upland are the hardest parts of the region, not yetworn down to the general level. The battle-scarred house shown in the picture is near the villageof Waterloo, about nine miles southward from Brussels, in house was torn by shot and shell in the great battle of Water-loo, in which the power of Napoleon was broken. T


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