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1by Emerson, Douglas G.Subjects: “...Frozen ground Permeability....”
Published 1991
Government Document Microform Book -
2by Emerson, Douglas G.Subjects: “...Frozen ground North Dakota....”
Published 1992
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Government Document eBook -
3by Emerson, Douglas G.Subjects: “...Frozen ground Thermal properties Computer simulation....”
Published 1994
Government Document Book