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41  Montgomery County Orthophotography Data 1998-1999

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

42  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

43  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

44  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.

45  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

46  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

47  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

48  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

49  100 - year rainstorms in the Midwest: design characteristics

Huff, Floyd A., 1993 ISWS C-176

50  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

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 summary of information related to the comprehensive management of groundwater and surface water resources in the Sangamon River Basin, Illinois

O'Hearn, Michael, and Tamara L. Williams, 1982 ISWS CR-299

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

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

54  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

55  Assessment of a regional aquifer in central Illinois

Burris, Charles B., Walter J. Morse, and Thomas G. Naymik, 1981 ISWS COOP-6

56  Environmentally acceptable morphologic channel design of streams with small to medium-sized drainage areas

McConkey Broeren, Sally, and Krishan P. Singh, 1990 ISWS CR-495

57  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

58  Hydraulic geometry of 12 selected stream systems of the United States

Stall, John B., and Chih Ted Yang, 1970 ISWS CR-115

59  Hydraulic geometry of Illinois streams

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

60  Hydrologic Model Development for the Illinois River Basin Using BASINS 3.0

Demissie, Misganaw, Jaswinder Singh, H. Vernon Knapp, Patricia Saco, Yanqing Lian., 2007 ISWS CR 2007-03

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