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Most of the sand and gravel of the Mahomet Aquifer is from the lower half of the Banner Formation and belongs to the Mahomet Sand Member which is buried 100 to 200 feet (30 to 61 m) below the ground surface. The aquifer underlies 1,260,000 acres (510,000 hectares) of land in east-central Illinois and spans 15 counties (Panno and Korab, 2000).
The soil of Sand Ridge State Forest is 89% sand, 8% clay, and 3% silt. [5] There are two types of sand, red and yellow. [6] Dunes and swales were created after sand was deposited, but before vegetation could grow, during what is called the Parkland Formation. [1] [2] Dunes range from 6 m (20 ft) up to 30 m (98 ft). [1]
The MWRD is supporting leading-edge research in this field to help make algae technology a practical and sustainable approach to nutrient management for urban wastewater treatment plants. During the water treatment process, the greenhouse research facility at the O’Brien WRP employs a technology called revolving algae biofilm reactors ...
The Illinois Department of Natural Resources (IDNR) is the code department [1] [2] of the Illinois state government that operates the state parks and state recreation areas, enforces the fishing and game laws of Illinois, regulates Illinois coal mines and other extractive industries, operates the Illinois State Museum system, and oversees scientific research into the soil, water, and mineral ...
The Illinois List of Endangered and Threatened Species is reviewed about every five years by the Illinois Endangered Species Protection Board (ESPB). [1] To date it has evaluated only plants and animals of the US state of Illinois, not fungi, algae, or other forms of life; species that occur in Illinois which are listed as endangered or threatened by the U.S. federal government under the ...
Freeport is a small industrial city of 24,000 in northwest Illinois. For a price tag of $13 million, it's building a new public water system to tap deep into new, uncontaminated water sources.
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Volo Bog State Natural Area is a nature reserve in Illinois, United States, preserving Volo Bog. The bog was designated a National Natural Landmark in 1973 as the only remaining open-water quaking bog in Illinois. [1] The site also contains woodlands, savanna, marshes, prairie restoration areas, shrubland and old fields.