Subject: Caves / Language: English - Yale University Library GeoBlacklight Search Results

1. Geologic structure and altitude of the top of the Minnelusa Formation and orientation of mapped cave passages in the Madison Limestone, southern Black Hills, South Dakota

1991. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Books and Open-file Reports [distributor]. English. Public. Black Hills (S.D. and Wyo.).

2. "Greater" Germany caves and cave regions

1945. 2003-01-21T13:53:52Z. 2017-07-04T21:14:54Z. United States. Office of Strategic Services. OSS. English. Public. Europe, Central.

3. Karst terrains and carbonate rocks of Illinois

1997. 2007-04-18T14:26:51Z. 2011-03-28T21:44:20Z. Weibel, C. Pius. Dept. of Natural Resources, Illinois State Geological Survey. English. Public. Illinois.