Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Página 191
... and pleasure re- quire them to cross it , and constituting a nuisance and an eyesore to all who see it , or come near it . How long it • will continue in this condition it is impossible to 191 -THE RECLAIMING OF SALT MARSHES.
... and pleasure re- quire them to cross it , and constituting a nuisance and an eyesore to all who see it , or come near it . How long it • will continue in this condition it is impossible to 191 -THE RECLAIMING OF SALT MARSHES.
Página 192
... marsh produces . The inherent wealth of the land is locked up , and all of its bad effects are produced , by the ... salt marshes were formed may be understood from the following account of the a " Great Level of the Fens " of the 192 ...
... marsh produces . The inherent wealth of the land is locked up , and all of its bad effects are produced , by the ... salt marshes were formed may be understood from the following account of the a " Great Level of the Fens " of the 192 ...
Página 195
... marsh itself . This is rarely , -almost never , -a pure peat , such as is found in upland swamps ; it contains a large proportion of sand , blue clay , muscle mud , or other earthy deposits , which give it great weight ... SALT MARSHES . 195.
... marsh itself . This is rarely , -almost never , -a pure peat , such as is found in upland swamps ; it contains a large proportion of sand , blue clay , muscle mud , or other earthy deposits , which give it great weight ... SALT MARSHES . 195.
Página 199
... salt marsh embankments . It should be a cardinal rule with all who are engaged in the construction of such works , never to allow two bodies of water , one on each side of the bank to be nearer than twenty - five yards of each other ...
... salt marsh embankments . It should be a cardinal rule with all who are engaged in the construction of such works , never to allow two bodies of water , one on each side of the bank to be nearer than twenty - five yards of each other ...
Página 200
... salt marsh that had been enclosed by dykes having a ditch on each side , ( much the cheapest way to make them , ) to be abandoned , and it has induced the invention of va rious costly devices for the protection of embankments against ...
... salt marsh that had been enclosed by dykes having a ditch on each side , ( much the cheapest way to make them , ) to be abandoned , and it has induced the invention of va rious costly devices for the protection of embankments against ...
Otras ediciones - Ver todas
Draining for Profit, and Draining for Health George E 1833-1898 Waring Sin vista previa disponible - 2015 |
Términos y frases comunes
acre agricultural allow basin bottom brick bushels carried cause cents clay collars commenced condition connection considerable contour lines cost course covered crop cultivation deposit depth discharge diseases distance ditch drainage dyke earth effect Ensilage evaporation fall Farm farmer feet deep fever field fifth column filled flow foot four feet Gisborne grade ground Hackensack River heat heavy rain houses improvement inches joints kiln labor laid land lateral drains laying length less lower main drain malarious manure marsh matters moisture muddy water nearly necessary obstruction operation outlet particles pipes placed plants plow porous practice prevent quantity rain-fall removed result retentive roots salt marsh saturated season sewage sewers shown in Fig side silt silt-basin slope soakage soil spring stakes steepest descent stone subsoil sufficient surface tide tile tile-draining tion typhoid fever undrained upper end whole width