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41  Edwards County Orthophotography Data 1998-1999

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

42  Gallatin County Coal Maps

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

43  Gallatin County Orthophotography Data 1998-1999

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

44  Illinois Floodplain Maps

ISWS resource providing preliminary and final maps of Illinois floodplains.

45  Lawrence County Coal Maps

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

46  Lawrence County Orthophotography Data 1998-1999

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

47  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

48  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.

49  Richland County Coal Maps

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

50  Richland County Orthophotography Data 1998-1999

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

51  Vermilion County Coal Maps

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

52  Vermilion County Orthophotography Data 1998-1999

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

53  Wabash County Coal Maps

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

54  Wabash County Orthophotography Data 1998-1999

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

55  White County Coal Maps

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

56  White County Orthophotography Data 1998-1999

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

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

57  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

58  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

59  Evaluation of hydraulic geometry parameters for various low-flow releases downstream of dams on Illinois streams

Singh, Krishan P., 1981 ISWS CR-251

60  Freshwater Mussels of Illinois (The Mississippi, Illinois, Wabash, and Ohio Rivers

Report discussing the freshwater mussels of Illinois, which may be the most endangered group of animals in North America.

Cummings, Kevin S. and Christine A. Mayer, 2002 Illinois Natural History Survey Reports Spring 2002

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