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41  Fox Watershed - Population Density

This geospatial dataset is a hydrologic unit boundary layer that is at the Subwatershed (12-digit) level clipped to the Fox watershed boundary. The population density field was added and was calculated as pop field/sq mi. (shapefile, .zip archive)  

42  Fox Watershed - Towns (selected)

This is a set of county by county point coverages of towns in Illinois. Point locations approximate towns center. This feature class represents selected communities in Fox River basin in Illinois, Some town locations were arbitrarily deleted for cartographic reasons. (shapefile, .zip archive)  

43  Fox Watershed - Water Quality Sample Sites

This data set describes the locations of water quality samples taken in the Fox Watershed (Illinois and Wisconsin portions). Sample data is stored in a SQL Server database, and the location table is regularly exported to create stand-alone shapefiles of sample locations. This data set was created on 5/27/03. (shapefile, .zip archive)  

44  Fox Watershed GIS Data Viewer

Interactive map provided by the ISWS. Viewable layers include gages/sample sites, water resources, land resources, and administrative.

45  Fox Watershed Map

Thematic map of the Fox watershed showing roads, county boundaries, and elevation changes.

Download Options: LoRes preview | HiRes (1.16 MB) | Metadata

46  Illinois County Boundaries, Polygons and Lines

GIS data - zipped shapefile  

47  Illinois Floodplain Maps

ISWS resource providing preliminary and final maps of Illinois floodplains.

48  Illinois River Basin GIS Data Viewer

Interactive map provided by the ISWS. Viewable layers include watersheds, rivers, water quality, geology, and groundwater.

49  Illinois River Basin Weather Stations

The weather stations in this data set were gathered from the WDM database within the Basins watershed modeling program. Coordinates for the stations were exported from Basins, then formatted and imported into ArcGIS. This data set was created to support research at the Illinois State Water Survey. (shapefile, .zip archive)   

50  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

51  Land cover in the Illinois River Watershed

Thematic map showing land cover from raster imagery.

Download Options: LoRes preview | HiRes (2.68 MB) | Metadata

52  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

53  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

54  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

55  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.

56  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

57  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

58  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

59  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

60  7-day 10-year low flows of streams in northeastern Illinois

Singh, Krishan P., 1983 ISWS CR-307

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