Browsing by people, organizations and landmarks: century:
Shaded relief map of Illinois (3.6226)
Date: 1996Creator: Abert, Curtis C., Illinois Department of Natural Resources
Type: Map
Description:Illinois Map 6 - William W. Shilts, chief; $4.25 from Illinois State Geological Survey
Extent: 1 sheet
Forest Cover in Illinois 1820-1980 with maps on forest composition, volume, diversity and cover (3.7129)
Date: June 1990Creator: Illinois Natural History Survey
Type: Map
Description:Includes: chart of forested acres by county, and inset maps: number of woody species per county; percent of county forested; volume of growing stock for all tree species; forest resource regions and Illinois county names; forest cover map of midwest as estimated with satellite data
Extent: 1 sheet