1924. 2018-04-06T18:58:34Z. 2018-04-06T18:58:34Z. Bretz, J. Harlen, 1882-1981, cartographer. State Geological Survey Division. ICN ICN. English. cartographic image. Public. Illinois, Chicago Region, Chicago Region (Ill.), Illinois., and Chicago Region.
Search Results
1984. 2018-05-15T18:10:47Z. 2018-05-15T18:10:47Z. Damberger, Heinz H. Illinois Department of Energy and Natural Resources, Illinois State Geological Survey. English. cartographic image. Public. Illinois and Illinois.
1975. 2018-05-15T18:07:09Z. 2018-05-15T18:07:09Z. Hopkins, M. E., 1928-. State of Illinois, Department of Registration and Education, Illinois State Geological Survey,Rand McNally & Co. English. cartographic image. Public. Illinois and Illinois.
1863. 2023-03-13T20:23:04Z. 2023-03-17T21:36:32Z. Colton, G. Woolworth (George Woolworth), 1827-1901, cartographer, publisher. Drawn, engraved & published by G. Woolworth Colton, 18 Beekman St. English. cartographic image. Public. Illinois and Illinois.
1987. 2002-06-01T04:00:00Z. 2018-05-11T18:34:02Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Illinois and Illinois.
1967. 2018-04-18T19:53:47Z. 2018-09-05T19:39:34Z. Willman, H. B. (Harold Bowen), 1901-. Illinois State Geological Survey. English. cartographic image. Public. Illinois and Illinois.
1945. 2018-05-15T17:51:40Z. 2018-05-15T18:15:19Z. Weller, J. Marvin (James Marvin), 1899-1976. State of Illinois, Department of Registration and Education, Division of the State Geological Survey. English. cartographic image. Public. Illinois and Illinois.
1917. 2018-05-15T17:54:45Z. 2018-05-15T17:54:45Z. Illinois State Geological Survey. State of Illinois, Dept. of Registration and Education, State Geological Survey Division. English. cartographic image. Public. Illinois and Illinois.
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