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Convert between various measurement units, weight to volume and volume to weight. Unit definitions. Volume, area, gravel and mortgage calculators.

CSGNetwork Free Information. Calculators, Converters, Glossary, Open Source Code... find something. Most pages require JavaScript.

The Natural Resources Conservation Service is the Federal agency that works in partnership with the American people to conserve and sustain natural resources on private lands.

MIT is devoted to the advancement of knowledge and education of students in areas that contribute to or prosper in an environment of science and technology.

Agricultural resources and services offered by The North Carolina Department of Agriculture and Consumer Services.

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Docstoc is a community for people to find and share professional documents. Find free legal documents and free business documents.

The Constructor is a valuable informational resource for civil engineers, related professionals, and students. Users can find detailed guides and informational articles that are categorized into sections. Another useful section to look is the practic...

Public Lab is an open community which collaboratively develops accessible, open source, Do-It-Yourself technologies for investigating local environmental health and justice issues.