1929. 2011-12-12T21:34:22Z. 2022-03-29T20:40:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. North Dakota.
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1929. 2011-12-12T21:34:22Z. 2022-03-29T20:40:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. North Dakota.
1929. 2011-12-12T21:34:24Z. 2022-03-29T20:40:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. North Dakota.
1929. 2011-12-12T21:34:28Z. 2022-03-29T20:40:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. North Dakota.
1929. 2020-01-06T21:52:17Z. 2020-01-12T22:35:41Z. publisher not identified. English. cartographic image. Public. North Dakota and North Dakota.
1929. 2011-12-12T21:34:32Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. North Dakota.