Environmental classification system
By: by Carol Worster and Angela L. Trabert.
Contributors: Trabert, Angela L.; Illinois. Institute for Environmental Quality.
Series: PB 266 113
Publisher: Illinois Institute for Environmental Quality
Published: 1976
Place of publication: Chicago
Language: eng
Number of pages: 742
Notes: "IIEQ Document no. 76/19."

Microfiche. Springfield, VA : National Technical Information Service. -- 5 sheets.