National Geologic Map Database
General Information
- Title: Hydrogeology and water quality of sand and gravel aquifers in McHenry County, Illinois, 2009-14, and comparison to conditions in 1979
- Author(s): Gahala, A.M.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Scientific Investigations Report SIR-2017-5112
- Publication Date: 2017
- Map Scale: 1:278,000
- Cross Section: None
- Find more maps in this area with mapView
- Corrections to this entry?
* See base map disclaimer below
Additional Resources
- Links and Downloads:
- Publication
- For more information, please contact:
- U.S. Geological Survey
- USGS Information Services
- Box 25286
- Denver, CO 80225
- Phone: (303) 202-4700 or 1-888-ASK-USGS
- Fax: (303) 202-4710
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.