. Battlefields of the World War, western and southern fronts; a study in military geography . arallel LineamentsPause for a moment and consider the military significance ofthis discordance in direction of topographic elements betweenthe outer rims of the Paris Basin and its central core. Fromwhatever direction an enemy approaches Paris he must runcounter to the grain of the country at some stage of his advance. 6 G. F. Dollfus: Recherches sur les ondulations des couches tertiaires dans leBassin Parisien, Bull. Sen. de la Carte geol., Vol. 2, 1890, pp. 17-35; idem: Rela-tions entre la structure
. Battlefields of the World War, western and southern fronts; a study in military geography . arallel LineamentsPause for a moment and consider the military significance ofthis discordance in direction of topographic elements betweenthe outer rims of the Paris Basin and its central core. Fromwhatever direction an enemy approaches Paris he must runcounter to the grain of the country at some stage of his advance. 6 G. F. Dollfus: Recherches sur les ondulations des couches tertiaires dans leBassin Parisien, Bull. Sen. de la Carte geol., Vol. 2, 1890, pp. 17-35; idem: Rela-tions entre la structure geologique du Bassin de Paris et son hydrographie, Geogr., Vol. 9, 1900, pp. 413-433. MARNE PLATEAU 239 If he elects to fight the defenders on the outer walls and is suc-cessful in a direct attack against the east-facing escarpments,then he may flank the barriers of the central plateau and advanceparallel with them. But if he seeks to flank the outer barriersby swinging far around to the north, where the scarps decreasein height and almost disappear owing to an imperfection in the. Fig. 66—Sketch map showing parallelism of topographic elements in the Marneplateau. Solid lines show general direction of some principal ridges, lines of hills,and escarpments; broken lines indicate prevailing trend of certain valleys. Thepredominance of southeast-northwest (often nearly east-west) directions is pro-nounced. basin structure, then his later southward advance will drivestraight against the east-west barriers of the central enemies of France in the period of the French Revolutionand in the Napoleonic campaigns more than once attempted theformer method, first suffering defeat on the outer walls butlater reaching the core of the system and moving on Paris parallelwith its ridge and valley system. The first attempt at outsideinterference with the French Revolution was defeated on the 240 BATTLEFIELD OF THE MARNE eastern face of the second or chalk escarpment at Valmy.
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Keywords: ., boo, bookcentury1900, bookdecade1920, booksubjectworldwar19141918
