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Information maintained by the Legislative Reference Bureau
Updating the database of the Illinois Compiled Statutes (ILCS) is an ongoing process. Recent laws may not yet be included in the ILCS database, but they are found on this site as Public Acts soon after they become law. For information concerning the relationship between statutes and Public Acts, refer to the Guide.

Because the statute database is maintained primarily for legislative drafting purposes, statutory changes are sometimes included in the statute database before they take effect. If the source note at the end of a Section of the statutes includes a Public Act that has not yet taken effect, the version of the law that is currently in effect may have already been removed from the database and you should refer to that Public Act to see the changes made to the current law.

20 ILCS 840/3.3

    (20 ILCS 840/3.3)
    Sec. 3.3. State natural areas. State natural areas (SNAs) are areas of land in public ownership which, either retains or has recovered to a substantial degree its original natural or primeval character, though it need not be completely undisturbed, or has floral, faunal, ecological, geological or archaeological features of scientific, educational, scenic or esthetic interest. The following described areas are designated State Natural Areas and shall have the names ascribed to them in this Section:
    Alorton Heron Rookery SNA in St. Clair County;
    Annbriar Karst SNA in Monroe County;
    Ayers Sand Prairie SNA in Carroll County;
    Barton-Sommer Woodland SNA in Mason and Menard Counties;
    Berryville Shale Glade SNA in Union County;
    Big Grand Pierre Glade SNA in Pope County;
    Black Crown Marsh SNA in McHenry County;
    Brown Barrens SNA in Union County;
    Burton Cave SNA in Adams County;
    Cache River SNA in Johnson County;
    Calamus Lake SNA in Macon County;
    Cecil White Prairie SNA in Hancock County;
    Cedar Glen SNA in Hancock County;
    Cedar Lake Bog SNA in Lake County;
    Chauncey Marsh SNA in Lawrence and Crawford Counties;
    Chestnut Hills SNA in Pulaski County;
    Clear Creek Wetland SNA in Cass County;
    Collier Limestone Glade SNA in Hardin County;
    Cretaceous Hills SNA in Pope County;
    Cypress Pond SNA in Johnson and Union Counties;
    Dean Hills SNA in Fayette County;
    Deer Pond SNA in Johnson County;
    Denby Prairie SNA in Macoupin County;
    Devil's Prop SNA in Jefferson County;
    Eagles Landing SNA in JoDaviess County;
    Ellison Creek SNA in Henderson County;
    Elton E. Fawks Bald Eagle Refuge SNA in Rock Island County;
    Embarras River Bottoms SNA in Lawrence County;
    Fall Creek Scenic Overlook SNA in Adams County;
    Flag Pond SNA in Clay County;
    Fogelpole Cave SNA in Monroe County;
    Foley Sand Prairie SNA in Lee County;
    Franklin Creek SNA in Lee County;
    French Bluff SNA in Carroll County;
    Fults Hill Prairie SNA in Monroe County;
    Funks Grove SNA in McLean County;
    Geissler Savanna SNA in Hancock County;
    George S. Park Memorial Woods SNA in Putnam County;
    Gibbons Creek Barrens SNA in Pope County;
    Gillespie Prairie SNA in Macoupin and Montgomery Counties;
    Ginther Farm SNA in Menard County;
    Goodes Woods SNA in Macoupin County;
    Goose Lake Prairie SNA in Grundy County;
    Gooseberry Island SNA in Kankakee County;
    Grigsby Marsh SNA in McDonough County;
    Grubb Hollow Prairie SNA in Pike County;
    Guthrie Cave SNA in Union County;
    Hanging Rock Sandstone Cliff SNA in Clay County;
    Hanover Bluff SNA in JoDaviess County;
    Harlem Hills SNA in Winnebago County;
    Harper-Rector Woods SNA in Fulton County;
    Harry "Babe" Woodyard SNA in Vermilion County;
    Henry Allan Gleason SNA in Mason County;
    Hitts Siding Prairie SNA in Will County;
    Illinois Caverns SNA in Monroe County;
    Iroquois Woods SNA in Kankakee County;
    Jackson Slough Woods SNA in St. Clair County;
    James "Gene" Korando Pond SNA in Jackson County;
    Julius J. Knobeloch Woods SNA in St. Clair County;
    Kidd Lake Marsh SNA in Monroe County;
    Kishwaukee River SNA in DeKalb County;
    Lake Como SNA in Whiteside County;
    Lake in the Hills Fen SNA in McHenry County;
    Lake Renwick Heron Rookery SNA in Will County;
    Long Branch Sand Prairie SNA in Mason County;
    Long Run Seep SNA in Will County;
    Lower Fox River Blake's Landing SNA in LaSalle County;
    Lusk Creek Canyon SNA in Pope County;
    Manito Prairie SNA in Tazewell County;
    Margaret Guzy Pothole Wetlands SNA in Shelby County;
    Marissa Woods SNA in St. Clair County;
    Massasauga Prairie SNA in Warren County;
    Matanzas Prairie SNA in Mason County;
    Maxine Loy SNA in Marion County;
    McClure School Shale Glades SNA in Union County;
    McMaster Woods SNA in Greene County;
    Meredosia Hill Prairie SNA in Morgan County;
    Miller Shrub Swamp SNA in Marion County;
    Miller-Anderson Woods SNA in Bureau and Putnam Counties;
    Millhurst Fen SNA in Kendall County;
    Mineral Marsh SNA in Henry County;
    Mississippi River Sand Hills SNA in Hancock County;
    Mitchell's Grove SNA in LaSalle County;
    Momence Wetlands SNA in Kankakee County;
    Montebello SNA in Hancock County;
    Nachusa Prairie SNA in Ogle County;
    Oakford SNA in Mason and Menard Counties;
    Pecumsaugan Creek/Blackball Mines SNA in LaSalle County;
    Peoria Salvation Army Woods SNA in Peoria County;
    Pine Rock SNA in Ogle County;
    Piney Creek Ravine SNA in Randolph and Jackson Counties;
    Prairie Ridge SNA in Jasper and Marion Counties;
    Prairie State Eagle Refuge SNA in Hancock County;
    Primm's Pond SNA in JoDaviess County;
    Rall Woods SNA in JoDaviess County;
    Ralph Clover SNA in Jackson County;
    Redwing Slough SNA in Lake County;
    Revis Hill Prairie SNA in Mason County;
    Rock Cave SNA in Effingham County;
    Rockton Bog SNA in Winnebago County;
    Sand Prairie-Scrub Oak SNA in Mason County;
    Sandy Ford SNA in LaSalle County;
    Shick Shack Sand Pond SNA in Cass County;
    Sielbeck Forest SNA in Massac County;
    Sipple Slough Woods SNA in Washington County;
    Sparks Pond SNA in Mason County;
    Spring Bay Fen SNA in Woodford County;
    Stemler Cave Woods SNA in St. Clair County;
    Sunbury Railroad Prairie SNA in Livingston County;
    Swayne Hollow SNA in Randolph County;
    Tapley Woods SNA in JoDaviess County;
    Thomson-Fulton Sand Prairie SNA in Whiteside County;
    Thorn Creek Woods SNA in Will County;
    Volo Bog SNA in Lake County;
    Wagon Lake SNA in St. Clair County;
    Ward's Grove SNA in JoDaviess County;
    Willow Creek SNA in Edgar County;
    Wilmington Shrub Prairie SNA in Will County;
    Wise Ridge Bedrock Hill SNA in Johnson County;
    Wolf Road Prairie SNA in Cook County; and
    Yorkville Prairie SNA in Kendall County.
(Source: P.A. 102-246, eff. 1-1-22.)