Subject: Geology, Stratigraphic / Spatial Coverage: Illinois - Yale University Library GeoBlacklight Search Results

Start Over Subject Geology, Stratigraphic Spatial Coverage Illinois

1. Quaternary deposits of Illinois

1979. 2018-04-18T19:57:42Z. 2018-09-05T19:20:24Z. Lineback, Jerry Alvin, compiler. Institute of Natural Resources, State of Illinois, Illinois State Geological Survey. English. cartographic image. Public. Illinois and Illinois. Quaternary and From 2 million years ago.

2. Rock-stratigraphic nomenclature, lithology, and subcrop area of the Galena-Platteville bedrock unit in Illinois and Wisconsin

1997. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Wisconsin, Platteville Region, Illinois, and Galena Region.