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Evaluation du vendeur
Edité par U. S. Geological Survey., 1985
Vendeur : Eryops Books, Stephenville, TX, Etats-Unis
No Binding. Etat : Very Good. Large folded sheet in printed envelope (1985 reprint of the 1975 publication); includes geologic map superposed on topographic contours, summary of mineral deposits including tables showing history of mineral exploitation, and references cited; ex-corporate library; in very good condition. Map.