United States or Indonesia ? Vote for the TOP Country of the Week !
See in Lombardini, Sulle Inondazioni in Francia, p. 87, notices of the action of currents transporting only fine material in wearing down hard rock. In the sluices for gold-washing in California having a grade of 1 to 14 1/2, and paved with the hardest stones, the wear of the bottom is at the rate of two inches in three months.
See Baird Smith, Italian Irrigation, i., p. 25; Scott Moncrieff, Irrigation in Southern Europe, pp. 34, 87, 89; Lombardini, Sulle Inondazioni etc., p. 73; Mangon, Les Irrigations, p. 48. The practice of irrigation except in mountainous countries where springs and rivulets are numerous is attended with very serious economical, social, and political evils.
The pecuniary damage was estimated at many millions of francs, and the violence of the catastrophe was deemed so extraordinary, even in a country subject to similar visitations, that the sympathy excited for the sufferers produced, in five months, voluntary contributions for their relief to the amount of nearly $200,000. Delle Inondazioni del Mella, etc., nella notte del 14 al 15 Agosto, 1850.
Word Of The Day