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by Jackson, Kerby
by Jackson, Kerby; Washington Geological Survey
by Oregon Department of Geology; Jackson, Kerby
by Randall, P. M.; Jackson, Kerby
by Us Dept of Interior; Jackson, Kerby
by Mansield, George C.; Smith, Walter M.; Jackson, Kerby
by Idaho Bureau of Mines; Jackson, Kerby
by Kingston Tribune; Jackson, Kerby