Illinois State Geological Survey
This is a list of all documents accepted for permanent retention in the depository, in order by issuing agency.
- Annual Report for Active IDOT Wetland Compensation and Hydrologic Monitoring Sites {periodical start}
Annual report by the Illinois State Geological Survey to the Illinois Department of Transportation. Hydrologic data was collected from wetland compensation sites and potential wetland compensation sites being monitored under contract. Where appropriate, the report also includes a determination of areas meeting wetland hydrology criteria listed in the 1987 U.S. Army Corps of Engineers Wetland Delineation Manual and its online updates. - Aquifer sensitivity to contamination, Kane County, Illinois [ICGM Kane-AS]
Map (1 sheet) depicting the relative potential for aquifers within 100 feet of the land surface to become contaminated from sources of pollution at or near the ground surface. Scale 1:100,000 - Bedrock Geology {periodical start}
Maps and separate reports on the bedrock geology Illinois by quadrangle. - Bedrock topography of Coumbia Quadrangle, Monroe and St. Clair Counties, Illinois [IGQ Columbia BT]
Map (one sheet) describing the bedrock topography of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois. scale 1:24000 - Bedrock Topography of Elgin Quadrangle, Kane and Cook Counties, Illinois (2007) [IGQ Elgin-BT]
Map of the bedrock topography of the Elgin 7.5-minute Quadrangle, Kane and Cook Counties, Illinois. - Bedrock Topography of Oak Hill Quadrangle, Peoria County, Illinois (Oak Hill-BT) [IGQ]
This map (1 sheet) shows the bedrock surface, which is the top of lithified rock that underlies the generally unlithified Quaternary-age drift. Plot of map available for purchase. - Bedrock topography of Renault Quadrangle, Monroe County, Illinois [IGQ Renault BT]
Map (one sheet) describing the bedrock topography of Renault Quadrangle, Monroe County, Illinois. scale 1:24000 - Coal Mines in Illinois {periodical start}
Directories and maps of Coal Mines in Illinois located on 7.5-minute quadrangle series. - Data Point Locations of Elgin Quadrangle, Kane and Cook Counties, Illinois (2007) [IGQ Elgin-DP]
Map identifies locations of outcrops, stratigraphic borings, water borings, and engineering borings on the Elgin 7.5-minute Quadrange, Kane and Cook Counties, Illinois. Plot of the map available for purchase. - Database for Estimating Background and Threshold Nitrate Concentrations Using Probability Graphs (2007, 4) [OFS]
Describes groundwater samples collected (1994-2000) from Illinois' sinkhole plain wells and springs by providing statistical, analytical and land use data with chemical, isotopic and bacterial results for all samples.