Journal . I»l IlMMtl -Sfction -scAie /a- /: Fig. 17. Reinforced Concrete Double Sluice. WINNING OF TIDAL LANDS IN BRITISH GUIANA. 195 yellow fever, plague and cholera have been entirely stamped out,there is still room for great improvement, as the Hon. C. Clementi,Colonial Secretary of British Guiana, recently stated, Although,however, the development of the Colony imperatively demandsthe introduction of emigrants in considerable numbers, it isevident that the most pressing duty of the Government is toprotect the lives of the existing Fig. IS. Reinforced Concrete Groyne
Journal . I»l IlMMtl -Sfction -scAie /a- /: Fig. 17. Reinforced Concrete Double Sluice. WINNING OF TIDAL LANDS IN BRITISH GUIANA. 195 yellow fever, plague and cholera have been entirely stamped out,there is still room for great improvement, as the Hon. C. Clementi,Colonial Secretary of British Guiana, recently stated, Although,however, the development of the Colony imperatively demandsthe introduction of emigrants in considerable numbers, it isevident that the most pressing duty of the Government is toprotect the lives of the existing Fig. IS. Reinforced Concrete Groyne. The construction of the scheme of permanent coast protectionwork has a most important bearing on the health of the Colony,as it will enable the low-lands to be properly drained, at an annualcost which, in the authors opinion, should little exceed thethe cost of the present inadequate system of drainage. In thepast, owing to the constant necessity of retiring the line of seadams inland as erosion took place, the sugar estates and villages,for economical reasons, were forced to place their drainageengines ^ome distance inland from the line of sea dams. Thepractice being to drain by gravity wherever possible, and duringheavy rains to pump the water on to the front lands at the backi >i the sea dam. As these front lands are in many cases populatedby West Indian and East Indian labourers, and their families,it has been impossible to stamp out malaria and other tropicaldiseases, and the death rate has been consequently high. After studying the drainag
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