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You can obtain Land Cover data on each category by clicking
on it. The information is in PDF format. Therefore, you will need an Acrobat
Reader to view and print the data
Land areas covered by agricultural commodities
Row Crops: Predominantly corn and soybeans, including other
row tilled crops.
Small Grains: Oats, wheat, barley, etc.
Orchards/Nurseries: Fruit orchards and nurseries.
Land areas predominantly covered with grass
Urban Grassland: Residential lawns, golf courses, open spaces
and other managed grassland in urban and built-up areas
Rural Grassland: Alfalfa, hay, pasture, greenways and other grassland
cover situated outside of urban areas.
Shallow Marsh/Wet Meadow: Areas characterized by standing
water or saturated soils for brief to moderate periods during growing season.
Deep Marsh: Areas characterized by standing water or saturated soils
on a semi-permanent or permanent basis during growing season.
Bottomland Forest: Forested wetland, temporarily or seasonally flooded.
Swamp: Forested wetland with permanent or semi-permanent water.
Shallow Water Wetland: Permanently flooded areas less than 20 acres
in extent and less than 2 meters deep (ponds, borrow pits, open areas of marsh
or swamp).
Land areas built up with manmade structures
High Density: All or nearly all of the land surface covered
with manmade structures.
Medium High Density: Transitional between medium and high density surface
coverage (found primarily in Cook County.
Medium Density: An intermediate amount of the land surface covered with
manmade structures.
Low Density: Only a portion of the land area covered with manmade structures
that are intermixed with other land cover including urban grassland, wooded
lands, etc.
Transportation: Major highways, interchanges and right-of-ways; active
rail lines; and rail lines no longer in service as of 1990.
Land under water
Lakes and Rivers: Open water and major stream courses.
Streams: Minor stream courses that contain water year around.
Land without vegetation or structures (e.g., quarries, bare soil surfaces
and beaches.
Summary
Land Cover by Counties
Meta
Data for CTAP Land Cover Database, 1991-1995
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