Major land-use classisfications, 1970-80 (modified from Hitt, 1994).

Personnel to contact about a specific subject are listed on the staff page.

The URL of this page is <il.water.usgs.gov/proj/lirb/maps/map6.html>
Please send comments about this page to: <djfazio@usgs.gov>.
This page was last updated on July 16, 1998.