Illinois data catalog (preliminary print)
Contributors: Illinois. Institute for Environmental Quality.
Series: IIEQ document no. DB-1; IIEQ document ;; no. DB/1.
Publisher: Illinois Institute for Environmental Quality
Published: 1972
Place of publication: [Springfield]
Language: eng
Number of pages: 225
Subjects: Natural resources -- Illinois -- Information services -- Directories.
Notes: "Prepared for the Illinois Institute for Environmental Quality."