. . . . . "May 2018"@en . . . "yes"@en . . . . . . . . . . . . . . . . . "InternetArchiveBot"@en . . . . . . . . . . . . . "13449"^^ . . "Sand dams are a simple, low-cost and low-maintenance, replicable rainwater harvesting technology. They provide a clean, local water supply for domestic and farming use and are suited to semi-arid areas of the world."@en . . . . . . . . . . . . . . . "May 2019"@en . . . "Sand dam"@en . . . . . . . . . . . . . . "Sand dams are a simple, low-cost and low-maintenance, replicable rainwater harvesting technology. They provide a clean, local water supply for domestic and farming use and are suited to semi-arid areas of the world."@en . . . . "1109965102"^^ . . . . . . "25145227"^^ . . .