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1Published 1984Subjects: “...Volcanic ash, tuff, etc. Trans-Pecos (Tex. and N.M.) Maps....”
Government Document Map -
2Published 1984Subjects: “...Volcanic ash, tuff, etc. Trans-Pecos (Tex. and N.M.) Maps....”
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Government Document Map -
3by Ledger, Ernest BroughtonSubjects: “...Volcanic ash, tuff, etc. Trans-Pecos (Tex. and N.M.)...”
Published 1981
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