J.S'Wl 



F A R JM E: R S' R K G I S T E R 



37 



Platk IV. Emhunknieiil of a Lake. 



The strong black luie represents i\\c. Euibunkment. 



Plate V. Plan and Sections of JVear and IJead for uJrificial watea. 



rf^'^$^^\. ^^y- ^ 



^jy^i-.'^i 



SX'JiT7AM: 



^^.^ 



fif.'vS.— AA, Ahiitnnent of slone. B R B B, Bank of the river. 



