pubs.usgs.govunited states department of the geological survey interior 1090 50 50 1103 caetÉ 20...
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pubs.usgs.govunited states department of the geological survey interior 1090 50 50 1103 caetÉ 20 ñ50q' cm cþ 20 i rnlu cb 50. 65 mig 1400' £ 1584 das minas e energia