JI A P 



i>y THE 



IIYDK AULI C ADMIN I S TRA'l" ION, 



OF 1/u: 

 /jirlii^mf, Ihe, lli,*s n,,- Ihe Drainage d 



Jffkt^SthxnkdiWMr 



SECTION THROUCM SCHINKll POLDER. 



Soa/& - 'M/. f?mf w (>nc.^^ 



LAKE AFTER DRAINAGE, 





n ■■' / '^' x^-' jf' .■■■ ^J" / 



.■■■ -^ >,-/ *••■ „ y <»^ ^-^ 





FIG. 4-. 

 SECTION f-o« H,»tflV£CE ru SCHItmSl POLDER. 



'^"■^^^ 



