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41  Nitrates in the Illinois River Watershed (mean total nitrate + nitrite-N concentrations)

Thematic map showing the mean total nitrate + nitrite-N concentrations for each of the major sub-watersheds.

Download Options: LoRes preview | HiRes (624 K) | Metadata

42  Peoria County Coal Maps

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

43  Peoria County Orthophotography Data 1998-1999

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

44  Phosphorus in the Illinois River Watershed

Thematic map showing the mean total phosphorus concentrations for each of the major sub-watersheds.

Download Options: LoRes preview | HiRes (624 K) | Metadata

45  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.

46  Sediment delivery to the main stem of the Illinois River

Using sediment delivery classes, this map describes sediment delivery to the Illinois River from the major sub-watersheds.

Download Options: LoRes preview | HiRes (630 K) | Metadata

47  Soil organic matter in the Illinois River Watershed

Thematic map showing the percent organic matter for each of the major sub-watersheds.

Download Options: LoRes preview | HiRes (4.69 MB) | Metadata

48  Total suspended solids in the Illinois River Watershed

Thematic map showing the mean TSS concentrations for each of the major sub-watersheds.

Download Options: LoRes preview | HiRes (626 K) | Metadata

49  Tributaries in the Illinois River Watershed

Thematic map showing the tributaries throughout the basin.

Download Options: LoRes preview | HiRes (1.43 MB) | Metadata

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

50  100 - year rainstorms in the Midwest: design characteristics

Huff, Floyd A., 1993 ISWS C-176

51  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

52  A technique for evaluating algal growth potential in Illinois surface waters

Wang, Wun-Cheng, William T. Sullivan, and Ralph L. Evans, 1973 ISWS RI-72

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

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

54  Aeration characteristics of flow release controls on Illinois Waterway dams

Butts, Thomes A., and Ralph L. Evans, 1980 ISWS CR-233

55  An assessment of the impact of combined sewer overflows at Peoria on the waters of the Illinois Waterway

Illinois State Water Survey, Water Quality Section, 1983 ISWS CR-330

56  An inventory and evaluation of biological investigations that relate to stream-water quality in the upper Illinois River Basin of Illinois, Indiana, and Wisconsin

Online USGS report abstract

Steffeck, D.W., and R.G. Striegl, 1989 U.S. Geological Survey Water-Resources Investigations Report 89-4041

57  Analysis of Nutrients, Selected Inorganic Constituents, and Trace Elements in Water From Illinois Community-supply Wells, 1984-91

Online USGS report

Warner, K.L., and A.R. Schmidt, 1999 U.S. Geological Survey Water-Resources Investigations Report 99-4152

58  Aquatic Resources Monitoring in the Upper Mississippi River Basin

Report describing two long-term monitoring projects in the Upper Mississippi River Basin: the Long Term Resource Monitoring Project (LTRMP) and the Long Term Illinois River Fish Population Monitoring Project, also known as the Long Term Electrofishing project (LTEF).

Pegg, Mark A., 2002 Illinois Natural History Survey Reports Spring 2002

59  Artificial ground-water recharge at Peoria, Illinois

Suter, Max, and Robert H. Harmeson, 1960 ISWS B-48

60  Availability and suitability of municipal wastewater information for use in a national water-quality assessment: A case study of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin

Online abstract of US Geological Survey Open-File Report 90-375

Zogorski, J.S., S.F. Blanchard, R.D. Romack, and F.A. Fitzpatrick., 1990 U.S. Geological Survey Open-File Report 90-375

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