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Date: 2009-11-13 11:57:34 | North Dakota Geologica l Surve y Ge ological I nvestigations No. 84 Edward C . M ur phy, State Geologist Lynn D. Helms, Director Dept. of Mineral Re sourcesAdd to Reading ListSource URL: www.dmr.nd.govDownload Document from Source WebsiteFile Size: 2,67 MBShare Document on Facebook |