Checking the Waste: A Study in Conservation| author | Gregory, Mary Huston |
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| download | pg20653.pdb (204K) |
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| language | English |
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| categories | Conservation of natural resources
United States -- Economic conditions
HC: Economic history and conditions |
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| copyright status | Public domain in the USA. |
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| source | Project Gutenberg
EBook #20653
2007-02-24 |
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