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Date/Time Thumbnail Dimensions User Comment; current: 14:18, 2 February 2007: 3,453 × 6,157 (83 KB): Dual Freq: This is a map showing Illinois counties Modification of David Benbennick's map.
Saline County is a county in Southern Illinois.At the 2020 census, it had a population of 23,768. [1] The largest city and county seat is Harrisburg. [2] This area of Southern Illinois is known locally as "Little Egypt".
On July 21, 2023, the OMB delineated 14 combined statistical areas, 12 metropolitan statistical areas, and 21 micropolitan statistical areas in Illinois. [1] As of 2023, the largest of these is the Chicago-Naperville, IL-IN-WI CSA , comprising the area around Illinois' largest city, Chicago .
The Illinois side includes Henry County, Mercer County, and Rock Island County. [4] In extreme northwestern Illinois the Driftless Zone, a region of unglaciated and therefore higher and more rugged topography, occupies a small part of the state. Charles Mound, located in this region, is the state's highest elevation above sea level.
Williamson County is a county in Southern Illinois.At the 2020 census, it had a population of 67,153. [1] The largest city and county seat is Marion. [2]Williamson County is included in the Carbondale-Marion, IL Metropolitan Statistical Area.
Machesney Park is a village located in Winnebago County, Illinois, United States. The population was 23,499 at the 2010 census, up from 20,759 in 2000. Machesney Park is part of the Rockford, Illinois Metropolitan Statistical Area.
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GIS data acquisition includes several methods for gathering spatial data into a GIS database, which can be grouped into three categories: primary data capture, the direct measurement phenomena in the field (e.g., remote sensing, the global positioning system); secondary data capture, the extraction of information from existing sources that are ...