DataSummaryContinuous lines representing the lowermost elevations/ locations of (buried) bedrock valleys in the state of Illinois. Names of buried valleys are annotated. Attributes include bedrock valley names. ISGS, 1994. Metadata IL Bedrock Valleys.htmlYour browser does not support iframes, but you can use the following link. Link DataZip Data: IL Bedrock Valleys.zip Serviceshttp://data.isgs.illinois.edu/arcgis/rest/services/Geology/Bedrock_Valleys/MapServer ViewerYour browser does not support iframes, but you can use the following link. Link