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Watershed > Illinois River Valley
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Maps/GIS- 141 Macoupin County Coal Maps
- ISGS Coal Map Series. Includes mines, resources, and logs.
- 142 Macoupin County Orthophotography Data 1998-1999
- Illinois National Aerial Photography Program Digital Orthophotography quarter Quadrangle data for Macoupin County in the Universal Transverse Mercator (UTM) coordinate system with a NAD83 datum.
- 143 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
- 144 Marshall County Coal Maps
- ISGS Coal Map Series. Includes mines, resources, and logs.
- 145 Marshall County Orthophotography Data 1998-1999
- Illinois National Aerial Photography Program Digital Orthophotography quarter Quadrangle data for Marshall County in the Universal Transverse Mercator (UTM) coordinate system with a NAD83 datum.
- 146 Mason County Coal Maps
- ISGS Coal Map Series. Includes mines, resources, and logs.
- 147 Mason County Orthophotography Data 1998-1999
- Illinois National Aerial Photography Program Digital Orthophotography quarter Quadrangle data for Mason County in the Universal Transverse Mercator (UTM) coordinate system with a NAD83 datum.
- 148 McDonough County Coal Maps
- ISGS Coal Map Series. Includes mines, resources, and logs.
- 149 McDonough County Orthophotography Data 1998-1999
- Illinois National Aerial Photography Program Digital Orthophotography quarter Quadrangle data for McDonough County in the Universal Transverse Mercator (UTM) coordinate system with a NAD83 datum.
- 150 Morgan County Coal Maps
- ISGS Coal Map Series. Includes mines, resources, and logs.
- 151 Morgan County Orthophotography Data 1998-1999
- Illinois National Aerial Photography Program Digital Orthophotography quarter Quadrangle data for Morgan County in the Universal Transverse Mercator (UTM) coordinate system with a NAD83 datum.
- 152 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
- 153 Peoria County Coal Maps
- ISGS Coal Map Series. Includes mines, resources, and logs.
- 154 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.
- 155 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
- 156 Pike County Coal Maps
- ISGS Coal Map Series. Includes mines, resources, and logs.
- 157 Pike County Orthophotography Data 1998-1999
- Illinois National Aerial Photography Program Digital Orthophotography quarter Quadrangle data for Pike County in the Universal Transverse Mercator (UTM) coordinate system with a NAD83 datum.
- 158 Putnam County Coal Maps
- ISGS Coal Map Series. Includes mines, resources, and logs.
- 159 Putnam County Orthophotography Data 1998-1999
- Illinois National Aerial Photography Program Digital Orthophotography quarter Quadrangle data for Putnam County in the Universal Transverse Mercator (UTM) coordinate system with a NAD83 datum.
- 160 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.
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