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Coal ResourcesGeologic MaterialsGeologic FeaturesCoal SeamsCoal MiningGeological SurveyUnconsolidated SedimentsCarbonate BankRadioactive Waste DisposalGeophysical LogsGeologic MappingGray ShaleSeismic ExplorationSeismic RefractionGlacial DepositsMineral ResourcesCoal FieldOutdoor Recreational FacilitiesLaboratory DataEarth Resistivity Survey
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