00388nam a2200133 a 450000100080000000500110000800800410001910000140006024500500007426000350012430000110015952000740017065000100024419211812012-03-30       1975    bl uuuu      00u1 u    #d1 aSMITH, N.  aMan and waterba history of hydro-technology.  aGreat Britain: Scribnersc1975  a239 p.  aWater and the land; Water for drinking; Water into power; Conclusion.  aÁgua