| Layer | Source | How Data Was Created | Date Updated | ||||
| Infrastructure | Key | ||||||
| Electric Transmission Lines | Platts | Shapefile Ready | Dec-07 | IDNR | Illinois Department of Natural Resources | ||
| Electrical Plants | Platts | Shapefile Ready | Dec-07 | IDOT | Illinois Department of Transportation | ||
| Electrical Substations | Platts | Shapefile Ready | Dec-07 | USACE | United States Army Corp of Engineers | ||
| Natural Gas Pipelines | Penwell | Shapefile Ready | Jun-07 | BTS | Bureau of Transportation Statistics | ||
| Crude Pipelines | Penwell | Shapefile Ready | Jun-07 | FCC | Federal Communications Commission | ||
| LPG/NGL Pipelines | Penwell | Shapefile Ready | Jun-07 | IEPA | Illinois Environmental Protection Agency | ||
| Refined Products Pipelines | Penwell | Shapefile Ready | Jun-07 | VASCD | Value-Added Sustainable Development Center | ||
| Grain Elevators | IDNR | Geocoded to Shapefile from Tabular Data | 2007 | ESRI | Environmental Systems Research Institute | ||
| Grain Elevators With Rail Access | IDNR | Geocoded to Shapefile from Tabular Data | 2007 | DB | Dunn & Bradstreet | ||
| Barge Facilities | USACE | Created Shapefile from LAT/LONG | 2007 | IRWA | Illinois Rural Water Association | ||
| Railroads | National Atlas | Shapefile Ready | 2005 | ISWS | Illinois State Water Survey | ||
| Railroad Densities | National Atlas | Shapefile Ready | 2005 | USGS | United States Geological Survey | ||
| IDOT Bridges | IDOT | Created Shapefile from LAT/LONG | 2007 | NRCS | Natural Resource Conservation Service | ||
| Intermodal Facilities | BTS | Shapefile Ready | 2005 | ||||
| Average Daily Traffic Counts | IDOT | Shapefile Ready | 2006 | ||||
| Interstates | BTS | Shapefile Ready | 2005 | ||||
| Major Highways | BTS | Shapefile Ready | 2005 | ||||
| Secondary Roads | BTS | Shapefile Ready | 2005 | ||||
| FCC Towers | FCC | Created Shapefile from LAT/LONG | Jun-07 | ||||
| Airports | National Atlas | Shapefile Ready | Oct-01 | ||||
| Environmental | |||||||
| Active Landfills | IDNR | Shapefile Ready | Jun-94 | ||||
| Brownfield Locations | IEPA | Geocoded to Shapefile from Tabular Data | Jun-07 | ||||
| State Conservation Areas | IDNR | Shapefile Ready | Jun-94 | ||||
| State Forests | IDNR | Shapefile Ready | Jun-94 | ||||
| State Parks | IDNR | Shapefile Ready | Jun-94 | ||||
| Federal Lands | IDNR | Shapefile Ready | Jun-94 | ||||
| Impaired Waterways | IDNR | Shapefile Ready | Jun-94 | ||||
| Levied Areas | IDNR | Shapefile Ready | Jun-94 | ||||
| Natural Areas | IDNR | Shapefile Ready | Jun-94 | ||||
| Flood Zones 500yr | IDNR | Shapefile Ready | Jun-94 | ||||
| Political | |||||||
| Cities With Enterprise Zone | VASDC | Researched The Data | Jul-07 | ||||
| Counties With Enterprise Zone | VASDC | Researched The Data | Jul-07 | ||||
| Political Townships | IDNR | Shapefile Ready | Jun-94 | ||||
| Towns | ESRI | Shapefile Ready | Jun-94 | ||||
| Zip Codes | ESRI | Shapefile Ready | Jun-94 | ||||
| Census 2000 | Census Bureau | Shapefile Ready | 2005 | ||||
| Ag Specialties | |||||||
| Sheep/Goat Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Wheat Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Veterinary Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Livestock Veterinary Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Vegetables/Melons Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Turkey/Turkey Egg Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Timber Tract Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Soybean Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Soil Preparation Services | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Poultry Hatcheries Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Poultry Egg Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Ornamental Tree/Shrub Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Ornamental Nursery Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Lawn/Garden Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Landscape Planning Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Horse Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Hog Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| General Livestock Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| General Farms/Animals Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Fur Bearing Animals/Rabbits Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Forestry Services | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Food Products Grown Under Cover Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Farm Management Services | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Deciduous Trees/Fruits Services | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Dairy Farms | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Crop Production for Market Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Crop Planting Protection Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Crop Harvesting Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Corn Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Chicken Eggs Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Cash Grains Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Boil/Fryer Roasting Chicken Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Berry Crops | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Beef Cattle Feed Lot Specialties Except Feedlots | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Beef Cattle Feedlot Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Animal Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Animal Aqua Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Ag Production/Animal Specialties | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Farm Production | |||||||
| Wheat Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Vegetables/Melons Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Tree Nuts Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Soybean Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Rice Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Ornamental Nursery Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Irish Potatoes Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Grape Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| General Farms Primary Crop Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Food Crops Grown Under Cover Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Field Crops Except Cash Grains Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Deciduous Fruit Trees Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Corn Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Cash Grains Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Berry Crops Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Farm Production | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Manufacturing | |||||||
| Wines/Brandy Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Wet Corn Milling Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Vegetable Oil Mills Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Soybean Oil Mills Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Sausages Prepared Meats Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Salted Roasted Nut Seeds Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Roasted Coffee Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Rice Milling Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Prepared Flour Mixes/Doughs Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Prepared Feeds Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Poultry Slaughter Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Potato Chips Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Pickles/Sauces/Salad Dressings Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Meet Packing Plants | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Ice Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Malt Beverages Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Macaroni/Spaghetti Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Ice Cream/Frozen Deserts Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Frozen Specialties Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Frozen Fruits/Vegetables Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Frozen Bakery Except Bread Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Fresh Frozen Fish Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Fluid Milk Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Flour Grain Mill Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Flavoring Extracts Syrups Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Edible Fats Oils Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Dry Condensed/Evaporated Dairy Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Dried Fruits/Vegetables/Soup Mixes Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Dog/Cat Food Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Distilled Beverages Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Creamery Butter Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Cotton Seed Oil Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Cookies/Crackers Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Chocolate/Cocoa Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Chewing Gum Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Cheese Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Cereal Breakfast Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Canned Specialties Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Canned Fruit-Specialties Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Canned Fish/Seafoods Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Cane Sugar Refining | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Candy/Confectionery Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Bread Cake Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Sugar Beet Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Animal Fats/Oils Manufacturing | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Services | |||||||
| Specialty Hospitals | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Skilled Nursing Care Facilities | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Psychiatric Hospitals | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Junior Colleges | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Intermediate Care Facilities | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Hotels/Motels | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| General Medical Surgical Hospitals | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Elementary/Secondary Schools | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Colleges/Universities | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Child Day Care Services | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Wholesale Trade | |||||||
| Wine/Distilled Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Poultry/Poultry Products Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Packaged/Frozen Goods Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Meats/Meat Products Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Livestock Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Groceries/General Line Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Groceries Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Fresh Fruits/Vegetables Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Flowers/Florists Supplies Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Fish/Seafood Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Farm Product Raw Materials Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Dairy Products Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Confectionary Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Beer/Ale Wholesale | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Retail | |||||||
| Retail Nursery Gardens | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Retail Bakeries | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Micellaneous Food Markets | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Meat/Fish Markets | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Liquor Stores | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Grocery Stores | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Gift/Novelty Souviner Shops | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Fruit/Vegetable Markets | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Florists | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Dairy Products Stores | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Candy/Nut Confectionery Stores | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Community Supported Agriculture Locations | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Food Processing Plants | DB | Created Shapefile from LAT/LONG | 2006 | ||||
| Natural Resource | |||||||
| Coal Mines | Platts | Shapefile Ready | Dec-07 | ||||
| CRP Ground by County | IDNR | Joined Data to County Shapefile | 2006 | ||||
| Streams & Rivers | Census Bureau | Shapefile Ready | Unknown | ||||
| Navigable Rivers | Census Bureau | Shapefile Ready | Unknown | ||||
| Rural Water Districts | IRWA | Digitized Rural Water Districts | Jun-07 | ||||
| Sand & Gravel Aquifers | IDNR | Shapefile Ready | Jun-94 | ||||
| Sand & Gravel Aquifer Yields | ISWS | Shapefile Ready | 2005 | ||||
| Bedrock Geology | IDNR | Shapefile Ready | Jun-94 | ||||
| 300ft Aquifers | IDNR | Shapefile Ready | Jun-94 | ||||
| 500ft Aquifers | IDNR | Shapefile Ready | Jun-94 | ||||
| Waterbodies | Census Bureau | Shapefile Ready | Unknown | ||||
| Gas Storage Fields | IDNR | Shapefile Ready | Jun-94 | ||||
| Wood Industries | IDNR | Created Shapefile from LAT/LONG | 2007 | ||||
| Public Water Wells | IEPA | Created Shapefile from Attribute Data | 1980 | ||||
| Public Water Wells (GRID) | IEPA | Created Shapefile from Attribute Data | 1980 | ||||
| Other Layers | |||||||
| Contours | USGS | Created from DEM | 1994 | ||||
| Elevation in Feet/DEM | USGS | Shapefile Ready | 1994 | ||||
| NASS Agriculture Land Cover | USDA | Shapefile Ready | 1999-2005 | ||||
| Land Cover GAP 1999-2000 | USDA | Shapefile Ready | 2000 | ||||
| Counties | IDNR | Shapefile Ready | 1995 | ||||
| Soils | NRCS | Shapefile Ready | 2006 | ||||
| Aerial Photography | |||||||
| 2005 DOQQ Aerials | USGS | Image Ready | 2005 | ||||
| 2007 Color NAIP Aerials | USDA | Image Ready | 2007 |