|
|
- Aldo Leopold' For the Health of the Land Edited by J. B.
Callicott and E. T. Freyfogle. 1999. Island Press, Washington,
DC.
- Field Office Technical Guide. Natural Resources Conservation
Service, Washington, DC.
- Illinois Agronomy Handbook (23rd edition). 2003. Circular
1383, College of Agricultural, Consumer and Environmental Sciences,
University of Illinois.
- Techniques for Wildlife Habitat Management of Uplands.
N. F. Payne and F. C. Bryant. 1994. McGraw-Hill, New York, NY.
|
|