Instructions for experiments illustrating the characteristics of a land ecosystem, land pollution, and how waste materials can be used to benefit the land.
- ISBN10 0516005235
- ISBN13 9780516005232
- Publish Date 1 January 1973
- Publish Status Out of Print
- Out of Print 6 August 2014
- Publish Country US
- Imprint Children's Press(CT)
- Format Hardcover
- Pages 4
- Language English