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Manual do pequeno açude - IRD

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264 B.5-3lQualidade da dgua e salinùaçcïo<br />

ROCHA ALTERADA<br />

CAMADA DE ARGILA<br />

EXPANSIVA<br />

+ ++ *+ ++ ++a ROCHA<br />

--. *.. . .* ..*,<br />

. . ..* CAMADA DE ARGILA<br />

. .<br />

EXPANSIVA<br />

ROCHA ALT E RADA<br />

OM PARTES ARENOSAS

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