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21  Coles County Coal Maps

ISGS Coal Map Series. Includes mines, resources, and logs.

22  Coles County Orthophotography Data 1998-1999

Illinois National Aerial Photography Program Digital Orthophotography quarter Quadrangle data for Coles County in the Universal Transverse Mercator (UTM) coordinate system with a NAD83 datum.  

23  Illinois County Boundaries, Polygons and Lines

GIS data - zipped shapefile  

24  Illinois Floodplain Maps

ISWS resource providing preliminary and final maps of Illinois floodplains.

25  Illinois River Watershed - Poster

Poster-sized (26x38) map of the entire Illinois River Watershed. Part of the Illinois State Water Survey published Map Series (2003-1)

Download Options: LoRes preview | HiRes (3.5 MB) | Metadata

26  Major Watersheds of Illinois

Poster-sized (26x38) map of the major watersheds in Illinois. Part of the Illinois State Water Survey published Map Series (2000-01)

Download Options: LoRes preview | HiRes (730 K) | Metadata

27  Resource Management Mapping Service

Interactive map that allows users to locate, create, and print maps of large and small areas within Illinois. Natural resource, administrative, and economic layers available.

= Abstract available     = Full Text available     = Fact Sheet available
= PDF format     = HTML format     = PowerPoint format

28  100 - year rainstorms in the Midwest: design characteristics

Huff, Floyd A., 1993 ISWS C-176

29  7-day 10-year low flows of streams in the Kankakee, Sangamon, Embarras, Little Wabash, and southern regions

Singh, Krishan P., Ganapathi S. Ramamurthy, and Il Won Seo, 1988 ISWS CR-441

30  7-day 10-year low flows of streams in the Rock, Spoon, La Moine, and Kaskaskia regions

Singh, Krishan P., Ganapathi S. Ramamurthy, and Il Won Seo, 1988 ISWS CR-440

31  Adequacy of Illinois surface water supply systems to meet future demands

McConkey Broeren, Sally, and Krishan P. Singh, 1989 ISWS CR-477

32  Algae in selected Illinois streams, 1971-1976

Lin, Shundar, Ralph L. Evans, and Davis B. Beuscher, 1978 ISWS RI-86

33  Assessment of eighteen public ground-water supplies in Illinois

Wehrmann, H. Allen, Adrian P. Visocky, Charles B. Burris, Robert W. Ringler, and Ross D. Brower, 1980 ISWS CR-237

34  Channel scour induced by spillway failure at Lake Charleston, Illinois

Demissie, Misganaw, William C. Bogner, Vassilios Tsihrintzis, and Nani G. Bhowmik, 1986 ISWS CR-409

35  City of Charleston public water supply: analysis of drought yields from the Charleston side-channel reservoir

McConkey, Sally, and Krishan P. Singh, 1996 ISWS CR-598

36  Concentration and genera of algae in selected Illinois streams, 1971-1973

Lin, Shun Dar, Ralph L. Evans, and Davis B. Beuscher, 1975 ISWS RI-80

37  Embarras River Watershed Digital Floodplain Mapping, Champaign County, Illinois

McConkey, Sally A., Mark D. Johanson, 2002 ISWS CR 2002-05

38  Future water demands of public surface water supply systems in Illinois

Singh, Krishan P., Sally McConkey Broeren, Robin B. King, and Michael L. Pubentz, 1988 ISWS CR-442

39  Groundwater resources of the buried Mahomet Bedrock Valley

Visocky, Adrian P., and Richard J. Schicht, 1969 ISWS RI-62

40  Hydraulic geometry of Illinois streams

Stall, John B., and Yu-Si Fok, 1968 ISWS CR-92

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