Browsing Finding Aids by Author "Leonard, Arthur"
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Pamphlets on oil in North Dakota Records
Leonard, Arthur; United States Geological Survey; Leonard, Arthur; United States Geological SurveyThis small collection contains two items. The first is a small pamphlet written by A. G. Leonard about the possibilities of oil and gas in North Dakota. The second item is a map by the U.S. Geological survey showing rock ...