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Area code 847 exhausted its numbers quickly, so that an overlay area code, 224, was implemented in 1996 for relief. However, mandatory ten-digit dialing was not in effect until 2002. In March 2007, an overlay plan was created for NPA 630 adding area code 331, and 779 was added to 815. With the depletion of new numbers in area codes 312 and 773 ...
The Illinois Department of Natural Resources' Cache River State Natural Area protects another 14,489 acres (58.63 km 2). Local landowners, through Wetlands Reserve Program easements with Natural Resources Conservation Service, protect an additional 13,500 acres (55 km 2) of restored wetlands. Also through NRCS, landowners are using a variety of ...
This list of Ramsar sites in the United States are those wetlands that are considered to be of international importance, protected under the Ramsar Convention treaty. The United States as of 2020, has 41 sites designated as "Wetlands of International Importance" with a surface area of 1,884,551 hectares (7,276.29 sq mi; 18,845.51 km 2).
Illinois Department of Natural Resources Cache River State Natural Area is an Illinois state park centered on the Cache River (Illinois) of 14,314 acres (5,793 ha) in Johnson County , Illinois , United States .
Cache River State Natural Area: Johnson: 14,314 57.93 1970: Cache River: Franklin Creek State Natural Area: Lee: 882 3.57 1982: Franklin Creek: Fults Hill Prairie State Natural Area: Monroe: 997 4.03 1970: Kidd Lake: Goose Lake Prairie State Natural Area: Grundy: 2,537 10.27 1969: Goose Lake, Des Plaines River, Kankakee River, Illinois River
The refuge was established in 1990 under the authority of the Emergency Wetlands Resources Act of 1986. The refuge protects over 16,000 acres (65 km 2) of the Cache River wetlands, and has a purchase boundary (ultimate goal for area protection) of 36,000 acres (146 km²) contiguous.
The NWI relies on trained image analysts to identify and classify wetlands and deepwater habitats from aerial imagery. NWI started mapping wetlands at a small scale (1:250,000 map which covers an area the size of 128-1:24,000 USGS topographic maps or approximately 7,400 square miles).
The Wetlands Geodatabase and the Wetlands Mapper, as an Internet discovery portal, provide technological tools that allow the integration of large relational databases with spatial information and map-like displays. The information is made available to an array of federal, state, tribal, and local governments and the public.