2004. 2019-09-04T15:38:32Z. 2020-01-15T14:25:57Z. Iowa. Department of Natural Resources. Geological Survey Bureau. Iowa Dept. of Natural Resources. English. cartographic image. Public. Iowa and Iowa.
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1985. 2002-06-01T04:00:00Z. 2023-05-02T03:04:28Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. High Plains (U.S.) and Kansas.
1985. 2002-06-01T04:00:00Z. 2023-03-16T03:01:20Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. High Plains (U.S.) and Kansas.
1981. 2002-06-01T04:00:00Z. 2023-01-11T04:01:22Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. High Plains (U.S.) and Kansas.
1982. 2002-06-01T04:00:00Z. 2023-04-24T19:00:53Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. New York (State).
2004. 2019-09-04T15:22:06Z. 2019-09-07T21:35:15Z. Iowa. Department of Natural Resources. Geological Survey Bureau. Iowa Dept. of Natural Resources. English. cartographic image. Public. Iowa and Iowa.
2004. 2019-09-04T15:14:02Z. 2019-09-07T21:34:56Z. Iowa. Department of Natural Resources. Geological Survey Bureau. Iowa Dept. of Natural Resources. English. cartographic image. Public. Iowa and Iowa.
1980. 2018-07-31T18:48:30Z. 2018-09-05T19:28:45Z. Margat, Jean F. Bureau de recherches géologiques et minières. French. cartographic image. Public. France and France.
1980. 2002-06-01T04:00:00Z. 2022-12-10T04:01:23Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Southern States.
1984. 2002-06-01T04:00:00Z. 2023-09-20T03:01:47Z. Geological Survey (U.S.). The Survey : [Books and Open-File Reports Section, distribution]. English. cartographic image. Public. Colorado River Watershed (Colo.-Mexico).