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 sources

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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 sources Add to Reading List Source URL: www.dmr.nd.gov Download Document from Source Website File Size: 2,67 MB Share Document on Facebook